I have send you my marrow notes and textbook notes of DKA tell me what

+6 more

I have send you my marrow notes and textbook notes of DKA tell me what to add in my marrow notes to complete my answer

analyse_media

Now I have a clear picture of both your Marrow notes and your textbook (Essential Pediatrics). Here is a detailed gap analysis - everything present in the textbook that is missing from your Marrow notes:

What to Add to Your Marrow Notes on DKA

1. EPIDEMIOLOGY / INTRODUCTION (missing entirely)

Add a brief intro box:

DKA = most severe acute complication of DM
Previously T1D only - now also seen in T2D and MODY
30-40% of newly diagnosed T1D children present with DKA
India: incidence higher than developed countries

2. PATHOPHYSIOLOGY - Gaps to fill

What you have	What's missing
Insulinopenia + counter-regulatory hormones	Add catecholamines explicitly alongside GH, glucagon, cortisol
Hyperglycemia + lipolysis	Add: osmotic diuresis → urinary water loss → dehydration (your notes show intracellular dehydration but miss the osmotic diuresis/polyuria pathway)
Ketone bodies listed	Add that β-hydroxybutyrate is measured clinically (β-HB ≥ 5.3 mmol/L)
Pseudohyponatremia noted	Add: acidosis shifts K⁺ and PO₄³⁻ from ICF → ECF (the potassium/phosphate shift is missing)
—	Add: serum K⁺ is initially HIGH → becomes hypokalemic with insulin therapy (this is a high-yield point completely absent from your notes)

3. DIFFERENTIAL DIAGNOSIS - "When to Suspect" (missing entirely)

Add a small box:

Presentation	DDx
Encephalopathy	CNS infections, severe malaria, poisoning
Acute abdomen	Pancreatitis, appendicitis
Dehydration	Gastroenteritis
Tachypnea	Bronchial asthma, pneumonia
Hyperglycemia with acidosis, no ketones	Renal failure, septicemia
Ketoacidosis without hyperglycemia	Starvation, salicylate poisoning, organic acidemia

4. INVESTIGATIONS - Major section missing from Marrow notes

Add a "Workup" box:

Serum Na⁺: True deficit = 4-6 mEq/kg. Use corrected sodium (falsely low in hyperglycemia). Rapid drop in Na⁺ = risk for cerebral edema
Serum K⁺: True deficit = 3-6 mEq/kg, but levels are normal/high at presentation (ICF→ECF shift). Risk of life-threatening hypokalemia once insulin started
Serum phosphate: Significant deficit. Treat if PO₄ < 1 mg/dL
WBC: Transient leukocytosis is common and doesn't indicate infection. Infection suspected only with persistent leukocytosis + fever
Blood urea: High BUN = severe DKA
ECG: Screen for hypo/hyperkalemia

5. MANAGEMENT - Significant gaps

A. ICU criteria (missing):

Age < 2 years OR
Severe DKA → ICU admission

B. Initial stabilization details (partial in your notes):

Insert nasogastric tube + urinary catheter if unconscious
Intubation should be deferred (worsens CNS acidosis) - this is a high-yield negative point

C. Fluid therapy - specific numbers missing:

Fluid deficit in most children = 5-10%
Fluid requirement = 3-3.5 L/m²/day
Do NOT exceed 4-5 L/m²/day (risk of cerebral edema)
Correct deficit over 48 hours (72 hours if high plasma osmolality)
IV fluid choice: Normal saline (154 mEq/L) for first 6 hours, then sodium content between 77-154 mEq/L
Account for fluids already given at referring center

D. Insulin therapy details (partially in your notes, but add):

Give insulin only after initial hydration (1 hour after starting fluids)
No initial bolus (risk cerebral edema) - already in your notes ✓
Flush IV tubing with insulin before starting infusion (insulin binds plastic)
Standard dose: 0.05-0.1 u/kg/hr IV ✓
Increase by 0.02 u/kg/hr if glucose not falling > 50 mg/dL/hr or acidosis not resolving
Do NOT decrease insulin rate when glucose falls - instead add dextrose (to avoid prolonging acidosis)
If no IV insulin available: IM regular insulin - 0.3 u/kg loading, then 0.1 u/kg/hr
Subcutaneous insulin NOT recommended (poor absorption due to poor perfusion)

E. Potassium replacement protocol (missing - very high yield):

K⁺ < 3.5 mEq/L → give K before starting insulin
K⁺ 3.5-6 mEq/L → add KCl 40 mEq/L to fluids at time of starting insulin
K⁺ > 6 mEq/L OR anuric OR ECG shows hyperkalemia changes → do NOT give K⁺

F. Dextrose rule (clarify in notes):

Add 5% dextrose when blood glucose < 270-300 mg/dL (your notes say < 300 ✓ but add the "270" threshold from the textbook)

G. Acid-base/Bicarbonate (clarify in notes):

Bicarbonate is contraindicated ✓ (in your notes)
Add the exceptions: Only use bicarbonate if pH < 6.9 WITH hemodynamic compromise, OR severe hyperkalemia (K⁺ > 6.5 mEq/L with ECG changes)

6. CEREBRAL EDEMA - Most critical complication (partially missing)

Your notes mention "slow deficit correction" for cerebral edema but you need to add:

Most serious complication, most common cause of death in DKA
Risk factors: Age < 5 years, severe acidosis, insulin bolus, excessive hydration, pCO₂ < 10 mmol/L, alkali treatment
Timing: Usually 4-12 hours after starting treatment (but can be present at diagnosis)
Early signs: Headache, vomiting, drowsiness, irritability, hypertension + bradycardia (Cushing's triad)
Late/severe signs: Unconsciousness, focal neurological deficits, papilledema, fixed dilated pupils, sixth nerve palsy
Treatment: IV mannitol 5 mL/kg + fluid restriction + head elevation

7. MONITORING (missing entirely)

Add a box:

Hourly: neurological status, HR, BP, fluid I/O, blood glucose
Every 4 hours: blood ketone, pH, bicarbonate, electrolytes

Response to Treatment table (Table 18.36 from textbook - very high yield):

Parameter	Expected	Concern	Action
Blood glucose	Decrease 50-100 mg/dL/hr	Decline > 100 mg/dL/hr	Add dextrose
		Decline < 50 mg/dL/hr	Prepare fresh insulin, flush tubing
Blood pH	Resolution by 12 hr	Persistent at 12 hr	Exclude infection, shock, lactic acidosis
Serum Na⁺	Increase	Increase < 2 mmol/L/hr	Increase sodium in IV fluid
Serum K⁺	Gradual decrease	Hypokalemia	Increase K⁺ in IV fluid
Anion gap	Resolution by 12 hr	Elevated at 12 hr	Exclude lactic acidosis/infection
Plasma osmolality	Stable	Decrease > 2 mOsm/kg/hr	Increase Na, decrease fluid rate
Blood urea	Decrease	Persistently elevated	Exclude renal failure

8. DISCONTINUATION OF TREATMENT (missing)

Switch to subcutaneous insulin once: patient is conscious, tolerating oral feeds, and acidosis resolved
Give regular/rapid-acting insulin 0.25 u/kg 30 minutes before the first meal
Stop IV insulin 30 minutes after the SC dose (to provide overlap)

9. INFECTIONS as a complication (missing)

Bacterial and fungal infections are common post-DKA
Red flags: persistent fever, leukocytosis, black nasal discharge (rhinocerebral mucormycosis), hemoptysis (pulmonary aspergillosis)

Summary of highest-yield additions:

K⁺ dynamics (initial hyperkalemia → insulin-induced hypokalemia) and K⁺ replacement protocol
Cerebral edema - full risk factors, signs, and treatment (mannitol)
"When to suspect" differential diagnosis box
Investigations workup box
Monitoring table (Table 18.36)
Bicarbonate exception criteria (pH < 6.9 + hemodynamic compromise)
Discontinuation criteria for IV insulin

Give that is required for university final year theory examination

Based on my analysis of both your notes, here is exactly what to add to your Marrow notes for a university final year theory exam - focused on what examiners ask, structured for written answers.

ADD THESE TO YOUR MARROW NOTES

1. ONE-LINE INTRO (add at top)

"Most severe acute complication of DM; seen in T1D, increasingly in T2D and MODY"

2. PATHOPHYSIOLOGY - Add these 2 missing points

In your flowchart, after "Hyperglycemia + lipolysis", add:

Missing branch:

Acidosis → shifts K⁺ and PO₄³⁻ from ICF → ECF → Serum K⁺ initially HIGH → becomes LOW once insulin started

This is asked directly: "Explain potassium changes in DKA"

3. CRITERIA - Small correction

Your notes say serum bicarbonate < 18 mmol/L - the textbook says < 15 mEq/L. Note both: < 18 (ISPAD) / < 15 (some guidelines) - safe to write < 15 mEq/L in theory exam.

4. DIFFERENTIAL DIAGNOSIS BOX (examiners ask "when to suspect DKA")

Presentation	Think DKA when ruling out
Encephalopathy	CNS infection, malaria, poisoning
Acute abdomen	Pancreatitis, appendicitis
Dehydration	Gastroenteritis
Tachypnea	Asthma, pneumonia
Acidosis without ketones	Renal failure, septicemia
Ketosis without hyperglycemia	Starvation, salicylate poisoning

5. INVESTIGATIONS BOX (completely missing - frequently asked as short note)

Investigation	Finding	Significance
Serum Na⁺	Low (false - pseudohyponatremia)	Use corrected Na⁺. Rapid fall = risk of cerebral edema
Serum K⁺	Normal/High (despite total body deficit 3-6 mEq/kg)	Becomes dangerously low with insulin
Serum phosphate	Low	Treat if < 1 mg/dL
WBC	Transient leukocytosis	Normal in DKA. Persistent = suspect infection
Blood urea	High	Indicates severe DKA
ECG	—	Screens for hypo/hyperkalemia
Blood gas	pH < 7.3, HCO₃ < 15	Confirms acidosis

6. MANAGEMENT - Key additions only

A. ICU criteria (add near top of management):

Age < 2 years OR Severe DKA → ICU

B. Initial stabilization (add 2 points):

Insert NG tube + urinary catheter if unconscious
Defer intubation - worsens CNS acidosis

C. Fluid therapy numbers (add to your fluid table):

Deficit = 5-10% body weight
Rate = 3-3.5 L/m²/day, never exceed 4 L/m²/day (cerebral edema risk)
Duration = correct over 48 hours (72 hr if high osmolality)
NS for first 6 hours, then sodium 77-154 mEq/L
Add 5% dextrose when glucose < 270 mg/dL

D. Insulin - add these points:

Flush IV tubing with insulin before use (insulin binds to plastic)
Increase dose by 0.02 u/kg/hr if glucose not falling ≥ 50 mg/dL/hr
Do NOT reduce insulin when glucose falls - add dextrose instead (stopping insulin prolongs acidosis)
If no IV: IM regular insulin 0.3 u/kg load → 0.1 u/kg/hr
SC insulin not used (poor perfusion = poor absorption)

E. Potassium protocol (high-yield - add as a separate box):

K⁺ < 3.5 mEq/L  → Give K⁺ BEFORE insulin
K⁺ 3.5-6 mEq/L  → Add 40 mEq/L KCl when starting insulin
K⁺ > 6 mEq/L    → Do NOT give K⁺ (also if anuric / ECG changes)

F. Bicarbonate - add the exception:

Avoided routinely. Give only if pH < 6.9 + hemodynamic compromise OR K⁺ > 6.5 mEq/L with ECG changes

7. CEREBRAL EDEMA - Full box (most common cause of death - always asked)

Add this entire section:

Most serious complication, most common cause of death
Timing: 4-12 hours after starting treatment (rarely at diagnosis)

Risk factors (mnemonic - ASHI-C):

Age < 5 yr | Severe acidosis | Hydration excess | Insulin bolus | CO₂ < 10 mmol/L + alkali

Early signs: Headache, vomiting, drowsiness, irritability, hypertension + bradycardia

Late signs: Unconsciousness, focal deficits, papilledema, fixed dilated pupils, 6th nerve palsy

Treatment:

IV Mannitol 5 mL/kg stat
Fluid restriction
Head elevation
Suspected clinically - do not wait for imaging

8. MONITORING TABLE (asked in long answers - add at end)

Parameter	Frequency	Concern if...
Neuro status, HR, BP, I/O	Hourly	Any deterioration
Blood glucose	Hourly	Fall > 100 mg/dL/hr → add dextrose; Fall < 50 → change insulin
pH, HCO₃, electrolytes, ketones	4-hourly	pH not resolving by 12 hr → exclude infection
Serum Na⁺	4-hourly	Not rising → increase Na in fluid

9. STOPPING TREATMENT / TRANSITION (add at end)

Once patient is:

Conscious + tolerating oral feeds + acidosis resolved

→ Give SC regular insulin 0.25 u/kg 30 min before first meal → Stop IV insulin 30 min after SC dose (overlap to avoid rebound hyperglycemia)

10. INFECTIONS POST-DKA (add under complications)

Fungal infections common
Watch for: black nasal discharge = mucormycosis | hemoptysis = pulmonary aspergillosis

WHAT YOU ALREADY HAVE (don't repeat)

Pathophysiology flowchart ✓
Ketone body types ✓
Severity table ✓
3 pillars of management ✓
Initial management table ✓
KCl 40 mEq/L mentioned ✓
Insulin bolus C/I ✓
Bicarbonate C/I ✓
5% dextrose when glucose < 300 ✓

The biggest gaps for theory exam are: Cerebral edema full answer, K⁺ protocol, Investigations box, and Monitoring table - these four alone can fetch you 6-8 marks in a 10-mark question.

Make pdf for differential diagnosis investigation management in short marrow textbook mix notes complications monitoring

Reading File

Running Command

mkdir -p /tmp/workspace/dka-notes && ls /tmp/workspace/dka-notes/

Writing File

~/dka-notes/make_dka_pdf.py

from reportlab.lib.pagesizes import A4
from reportlab.lib import colors
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.lib.units import cm, mm
from reportlab.platypus import (
    SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle,
    HRFlowable, KeepTogether
)
from reportlab.lib.enums import TA_CENTER, TA_LEFT, TA_JUSTIFY
from reportlab.platypus import PageBreak

OUTPUT = "/tmp/workspace/dka-notes/DKA_Notes.pdf"

doc = SimpleDocTemplate(
    OUTPUT,
    pagesize=A4,
    rightMargin=1.8*cm,
    leftMargin=1.8*cm,
    topMargin=2*cm,
    bottomMargin=2*cm,
)

# ── Colour palette ──────────────────────────────────────────────
C_NAVY    = colors.HexColor("#1A3A5C")
C_TEAL    = colors.HexColor("#0B6E6E")
C_ORANGE  = colors.HexColor("#D45A00")
C_RED     = colors.HexColor("#B82020")
C_YELLOW  = colors.HexColor("#FFF3B0")
C_LTBLUE  = colors.HexColor("#E8F4FD")
C_LTGREEN = colors.HexColor("#E8F8F0")
C_LTRED   = colors.HexColor("#FDF0F0")
C_LTORANGE= colors.HexColor("#FFF5E6")
C_GREY    = colors.HexColor("#F4F4F4")
C_WHITE   = colors.white
C_BLACK   = colors.HexColor("#1A1A1A")

styles = getSampleStyleSheet()

def sty(name, **kwargs):
    return ParagraphStyle(name, **kwargs)

TITLE_STYLE = sty("Title",
    fontSize=22, fontName="Helvetica-Bold",
    textColor=C_WHITE, alignment=TA_CENTER,
    spaceAfter=4, spaceBefore=4)

SUBTITLE_STYLE = sty("Subtitle",
    fontSize=11, fontName="Helvetica",
    textColor=C_WHITE, alignment=TA_CENTER,
    spaceAfter=2)

H1 = sty("H1",
    fontSize=13, fontName="Helvetica-Bold",
    textColor=C_WHITE, alignment=TA_LEFT,
    spaceBefore=10, spaceAfter=2,
    leftIndent=4)

H2 = sty("H2",
    fontSize=11, fontName="Helvetica-Bold",
    textColor=C_NAVY,
    spaceBefore=8, spaceAfter=3)

BODY = sty("Body",
    fontSize=9.5, fontName="Helvetica",
    textColor=C_BLACK,
    spaceBefore=2, spaceAfter=2,
    leading=14)

BODY_BOLD = sty("BodyBold",
    fontSize=9.5, fontName="Helvetica-Bold",
    textColor=C_NAVY,
    spaceBefore=2, spaceAfter=2,
    leading=14)

SMALL = sty("Small",
    fontSize=8.5, fontName="Helvetica",
    textColor=C_BLACK, leading=12,
    spaceBefore=1, spaceAfter=1)

SMALL_BOLD = sty("SmallBold",
    fontSize=8.5, fontName="Helvetica-Bold",
    textColor=C_NAVY, leading=12)

WARN = sty("Warn",
    fontSize=9, fontName="Helvetica-Bold",
    textColor=C_RED, leading=13)

NOTE = sty("Note",
    fontSize=8.5, fontName="Helvetica-Oblique",
    textColor=C_TEAL, leading=12)

TABLE_HEADER = sty("TH",
    fontSize=9, fontName="Helvetica-Bold",
    textColor=C_WHITE, alignment=TA_CENTER, leading=12)

TABLE_CELL = sty("TC",
    fontSize=8.5, fontName="Helvetica",
    textColor=C_BLACK, alignment=TA_LEFT, leading=12)

TABLE_CELL_C = sty("TCC",
    fontSize=8.5, fontName="Helvetica",
    textColor=C_BLACK, alignment=TA_CENTER, leading=12)

TABLE_CELL_BOLD = sty("TCB",
    fontSize=8.5, fontName="Helvetica-Bold",
    textColor=C_NAVY, alignment=TA_LEFT, leading=12)

# ── Helper builders ─────────────────────────────────────────────

def section_header(text, bg=C_NAVY):
    t = Table([[Paragraph(text, H1)]], colWidths=[doc.width])
    t.setStyle(TableStyle([
        ("BACKGROUND", (0,0), (-1,-1), bg),
        ("ROWPADDING", (0,0), (-1,-1), 6),
        ("ROUNDEDCORNERS", [4,4,4,4]),
    ]))
    return t

def hr():
    return HRFlowable(width="100%", thickness=1, color=C_TEAL, spaceAfter=4, spaceBefore=4)

def sp(h=6):
    return Spacer(1, h)

def p(text, style=BODY):
    return Paragraph(text, style)

def bullet(items, style=BODY):
    out = []
    for item in items:
        out.append(Paragraph(f"<bullet>\u2022</bullet> {item}", style))
    return out

def key_val_table(rows, col1=6.5*cm, col2=None):
    if col2 is None:
        col2 = doc.width - col1
    data = []
    for k, v in rows:
        data.append([
            Paragraph(k, TABLE_CELL_BOLD),
            Paragraph(v, TABLE_CELL)
        ])
    t = Table(data, colWidths=[col1, col2])
    t.setStyle(TableStyle([
        ("VALIGN", (0,0), (-1,-1), "TOP"),
        ("GRID", (0,0), (-1,-1), 0.4, colors.HexColor("#CCCCCC")),
        ("ROWBACKGROUNDS", (0,0), (-1,-1), [C_WHITE, C_GREY]),
        ("LEFTPADDING", (0,0), (-1,-1), 6),
        ("RIGHTPADDING", (0,0), (-1,-1), 6),
        ("TOPPADDING", (0,0), (-1,-1), 4),
        ("BOTTOMPADDING", (0,0), (-1,-1), 4),
    ]))
    return t

def generic_table(headers, rows, col_widths, row_colors=None, header_bg=C_NAVY):
    data = [[Paragraph(h, TABLE_HEADER) for h in headers]]
    for i, row in enumerate(rows):
        data.append([Paragraph(str(c), TABLE_CELL) for c in row])
    t = Table(data, colWidths=col_widths)
    style_cmds = [
        ("BACKGROUND", (0,0), (-1,0), header_bg),
        ("VALIGN", (0,0), (-1,-1), "TOP"),
        ("GRID", (0,0), (-1,-1), 0.4, colors.HexColor("#AAAAAA")),
        ("TOPPADDING", (0,0), (-1,-1), 4),
        ("BOTTOMPADDING", (0,0), (-1,-1), 4),
        ("LEFTPADDING", (0,0), (-1,-1), 5),
        ("RIGHTPADDING", (0,0), (-1,-1), 5),
    ]
    if row_colors:
        for i, bg in enumerate(row_colors):
            style_cmds.append(("BACKGROUND", (0, i+1), (-1, i+1), bg))
    else:
        for i in range(len(rows)):
            bg = C_WHITE if i % 2 == 0 else C_GREY
            style_cmds.append(("BACKGROUND", (0, i+1), (-1, i+1), bg))
    t.setStyle(TableStyle(style_cmds))
    return t

def info_box(text, bg=C_LTBLUE, border=C_TEAL):
    t = Table([[Paragraph(text, BODY)]], colWidths=[doc.width])
    t.setStyle(TableStyle([
        ("BACKGROUND", (0,0), (-1,-1), bg),
        ("LEFTPADDING", (0,0), (-1,-1), 10),
        ("RIGHTPADDING", (0,0), (-1,-1), 10),
        ("TOPPADDING", (0,0), (-1,-1), 6),
        ("BOTTOMPADDING", (0,0), (-1,-1), 6),
        ("BOX", (0,0), (-1,-1), 1.5, border),
        ("ROUNDEDCORNERS", [4,4,4,4]),
    ]))
    return t

def warn_box(text):
    return info_box(text, bg=C_LTRED, border=C_RED)

def tip_box(text):
    return info_box(text, bg=C_LTORANGE, border=C_ORANGE)

# ═══════════════════════════════════════════════════════════════
# BUILD CONTENT
# ═══════════════════════════════════════════════════════════════
story = []

# ── TITLE BANNER ────────────────────────────────────────────────
title_data = [[
    Paragraph("DIABETIC KETOACIDOSIS", TITLE_STYLE),
    Paragraph("DKA", sty("TL", fontSize=28, fontName="Helvetica-Bold",
                          textColor=colors.HexColor("#FFFFFF66"),
                          alignment=TA_CENTER))
]]
title_table = Table(title_data, colWidths=[doc.width - 3*cm, 3*cm])
title_table.setStyle(TableStyle([
    ("BACKGROUND", (0,0), (-1,-1), C_NAVY),
    ("VALIGN", (0,0), (-1,-1), "MIDDLE"),
    ("TOPPADDING", (0,0), (-1,-1), 12),
    ("BOTTOMPADDING", (0,0), (-1,-1), 12),
    ("LEFTPADDING", (0,0), (-1,-1), 12),
    ("ROUNDEDCORNERS", [6,6,6,6]),
]))
story.append(title_table)

sub_data = [[
    Paragraph("Marrow + Textbook Notes  |  Final Year Theory Exam  |  ISPAD Guidelines", SUBTITLE_STYLE)
]]
sub_table = Table(sub_data, colWidths=[doc.width])
sub_table.setStyle(TableStyle([
    ("BACKGROUND", (0,0), (-1,-1), C_TEAL),
    ("TOPPADDING", (0,0), (-1,-1), 5),
    ("BOTTOMPADDING", (0,0), (-1,-1), 5),
]))
story.append(sub_table)
story.append(sp(10))

# ═══════════════════════════════════════════════════════
# SECTION 1: DIFFERENTIAL DIAGNOSIS
# ═══════════════════════════════════════════════════════
story.append(section_header("1.  DIFFERENTIAL DIAGNOSIS  —  WHEN TO SUSPECT DKA"))
story.append(sp(6))

story.append(p("DKA must be considered in the differential diagnosis of the following presentations:", BODY))
story.append(sp(4))

dd_data = [
    [Paragraph("PRESENTATION", TABLE_HEADER),
     Paragraph("CONDITIONS TO RULE OUT", TABLE_HEADER),
     Paragraph("DKA CLUE", TABLE_HEADER)],
    [Paragraph("Encephalopathy / altered sensorium", TABLE_CELL_BOLD),
     Paragraph("CNS infections, severe malaria, poisoning", TABLE_CELL),
     Paragraph("Hyperglycemia + ketones", TABLE_CELL)],
    [Paragraph("Acute abdomen", TABLE_CELL_BOLD),
     Paragraph("Pancreatitis, appendicitis", TABLE_CELL),
     Paragraph("Abdominal pain d/t acidosis", TABLE_CELL)],
    [Paragraph("Dehydration", TABLE_CELL_BOLD),
     Paragraph("Gastroenteritis", TABLE_CELL),
     Paragraph("No diarrhoea; osmotic diuresis", TABLE_CELL)],
    [Paragraph("Tachypnea / respiratory distress", TABLE_CELL_BOLD),
     Paragraph("Bronchial asthma, pneumonia", TABLE_CELL),
     Paragraph("Kussmaul breathing (deep, not wheeze)", TABLE_CELL)],
    [Paragraph("Hyperglycemia + acidosis, NO ketones", TABLE_CELL_BOLD),
     Paragraph("Renal failure, septicemia", TABLE_CELL),
     Paragraph("Ketonuria absent; BUN very high", TABLE_CELL)],
    [Paragraph("Ketoacidosis, NO hyperglycemia", TABLE_CELL_BOLD),
     Paragraph("Starvation, salicylate poisoning, organic acidemia", TABLE_CELL),
     Paragraph("Glucose normal / low", TABLE_CELL)],
]
dd_table = Table(dd_data, colWidths=[4.5*cm, 6.5*cm, doc.width-11*cm])
dd_table.setStyle(TableStyle([
    ("BACKGROUND", (0,0), (-1,0), C_NAVY),
    ("VALIGN", (0,0), (-1,-1), "TOP"),
    ("GRID", (0,0), (-1,-1), 0.4, colors.HexColor("#AAAAAA")),
    ("TOPPADDING", (0,0), (-1,-1), 5),
    ("BOTTOMPADDING", (0,0), (-1,-1), 5),
    ("LEFTPADDING", (0,0), (-1,-1), 5),
    ("RIGHTPADDING", (0,0), (-1,-1), 5),
    *[("BACKGROUND", (0,i), (-1,i), C_WHITE if i%2==1 else C_GREY) for i in range(1,8)],
]))
story.append(dd_table)
story.append(sp(8))

# ═══════════════════════════════════════════════════════
# SECTION 2: INVESTIGATIONS
# ═══════════════════════════════════════════════════════
story.append(section_header("2.  INVESTIGATIONS", bg=C_TEAL))
story.append(sp(6))

inv_data = [
    [Paragraph("INVESTIGATION", TABLE_HEADER),
     Paragraph("FINDING IN DKA", TABLE_HEADER),
     Paragraph("SIGNIFICANCE / ACTION", TABLE_HEADER)],
    [Paragraph("Serum Na⁺", TABLE_CELL_BOLD),
     Paragraph("LOW (falsely - pseudohyponatremia)\nTrue deficit: 4-6 mEq/kg", TABLE_CELL),
     Paragraph("Use corrected Na⁺. Rapid fall in Na⁺ = risk for cerebral edema", TABLE_CELL)],
    [Paragraph("Serum K⁺", TABLE_CELL_BOLD),
     Paragraph("NORMAL or HIGH at presentation\nTrue deficit: 3-6 mEq/kg (ICF depleted)", TABLE_CELL),
     Paragraph("Becomes dangerously LOW once insulin started. Monitor carefully.", TABLE_CELL)],
    [Paragraph("Serum Phosphate", TABLE_CELL_BOLD),
     Paragraph("LOW (significant deficit)", TABLE_CELL),
     Paragraph("Treat if phosphate < 1 mg/dL", TABLE_CELL)],
    [Paragraph("Blood glucose", TABLE_CELL_BOLD),
     Paragraph("> 200 mg/dL", TABLE_CELL),
     Paragraph("Confirm diagnosis; monitor hourly", TABLE_CELL)],
    [Paragraph("Blood gas (VBG)", TABLE_CELL_BOLD),
     Paragraph("pH < 7.3, HCO₃ < 15 mEq/L", TABLE_CELL),
     Paragraph("Confirms acidosis; severity assessment", TABLE_CELL)],
    [Paragraph("Urine/blood ketones", TABLE_CELL_BOLD),
     Paragraph("Ketonuria ≥ 2+ on dipstick\nor β-HB ≥ 5.3 mmol/L", TABLE_CELL),
     Paragraph("Confirms ketosis", TABLE_CELL)],
    [Paragraph("WBC count", TABLE_CELL_BOLD),
     Paragraph("Transient leukocytosis = NORMAL in DKA", TABLE_CELL),
     Paragraph("PERSISTENT leukocytosis + fever = suspect infection", TABLE_CELL)],
    [Paragraph("Blood urea / BUN", TABLE_CELL_BOLD),
     Paragraph("High BUN", TABLE_CELL),
     Paragraph("Indicator of SEVERE DKA", TABLE_CELL)],
    [Paragraph("ECG", TABLE_CELL_BOLD),
     Paragraph("May show hypo/hyperkalemia changes", TABLE_CELL),
     Paragraph("Peaked T = hyperkalemia; Flat T, U wave = hypokalemia", TABLE_CELL)],
    [Paragraph("Serum osmolality", TABLE_CELL_BOLD),
     Paragraph("High (due to hyperglycemia)", TABLE_CELL),
     Paragraph("If very high: extend fluid correction to 72 hr", TABLE_CELL)],
    [Paragraph("Anion gap", TABLE_CELL_BOLD),
     Paragraph("Elevated (> 12 mEq/L)", TABLE_CELL),
     Paragraph("Should resolve by 12 hr of treatment", TABLE_CELL)],
]

inv_table = Table(inv_data, colWidths=[3.8*cm, 5.8*cm, doc.width-9.6*cm])
inv_table.setStyle(TableStyle([
    ("BACKGROUND", (0,0), (-1,0), C_TEAL),
    ("VALIGN", (0,0), (-1,-1), "TOP"),
    ("GRID", (0,0), (-1,-1), 0.4, colors.HexColor("#AAAAAA")),
    ("TOPPADDING", (0,0), (-1,-1), 5),
    ("BOTTOMPADDING", (0,0), (-1,-1), 5),
    ("LEFTPADDING", (0,0), (-1,-1), 5),
    ("RIGHTPADDING", (0,0), (-1,-1), 5),
    *[("BACKGROUND", (0,i), (-1,i), C_WHITE if i%2==1 else C_LTBLUE) for i in range(1,13)],
]))
story.append(inv_table)
story.append(sp(6))
story.append(tip_box(
    "<b>KEY POINT (High Yield):</b> Serum K⁺ is normal/HIGH at presentation despite total body K⁺ depletion "
    "because acidosis drives K⁺ out of cells (ICF → ECF). Once insulin corrects acidosis, "
    "K⁺ shifts back into cells → life-threatening HYPOKALEMIA."
))
story.append(sp(10))

# ═══════════════════════════════════════════════════════
# SECTION 3: MANAGEMENT
# ═══════════════════════════════════════════════════════
story.append(section_header("3.  MANAGEMENT", bg=C_ORANGE))
story.append(sp(6))

story.append(p("<b>3 Pillars of Management:</b>", BODY_BOLD))
pillars_data = [[
    Paragraph("1\nCorrect the Pathology\n(Insulin for hyperglycemia)", sty("P1",
        fontSize=9, fontName="Helvetica-Bold", textColor=C_WHITE,
        alignment=TA_CENTER, leading=13)),
    Paragraph("2\nCorrect Dehydration\n(Fluid restoration)", sty("P2",
        fontSize=9, fontName="Helvetica-Bold", textColor=C_WHITE,
        alignment=TA_CENTER, leading=13)),
    Paragraph("3\nIdentify & Treat\nPrecipitating Event", sty("P3",
        fontSize=9, fontName="Helvetica-Bold", textColor=C_WHITE,
        alignment=TA_CENTER, leading=13)),
]]
pillars_table = Table(pillars_data, colWidths=[doc.width/3]*3)
pillars_table.setStyle(TableStyle([
    ("BACKGROUND", (0,0), (0,0), C_NAVY),
    ("BACKGROUND", (1,0), (1,0), C_TEAL),
    ("BACKGROUND", (2,0), (2,0), C_ORANGE),
    ("TOPPADDING", (0,0), (-1,-1), 10),
    ("BOTTOMPADDING", (0,0), (-1,-1), 10),
    ("ALIGN", (0,0), (-1,-1), "CENTER"),
    ("VALIGN", (0,0), (-1,-1), "MIDDLE"),
    ("INNERGRID", (0,0), (-1,-1), 2, C_WHITE),
    ("ROUNDEDCORNERS", [4,4,4,4]),
]))
story.append(pillars_table)
story.append(sp(8))

# ICU criteria
story.append(warn_box(
    "<b>ICU ADMISSION CRITERIA:</b>  Age &lt; 2 years  |  Severe DKA (pH &lt; 7.1)  "
    "|  Altered consciousness"
))
story.append(sp(6))

# ── 3A. Initial Stabilization
story.append(p("<b>A. INITIAL STABILIZATION</b>", H2))
init_items = [
    "Assess Airway, Breathing, Circulation (ABC)",
    "Oxygen and respiratory support if needed",
    "IV access; send blood for investigations",
    "Insert NG tube + urinary catheter if <b>unconscious</b>",
    "<b>Defer intubation</b> - worsens CNS acidosis (IMPORTANT)",
    "Nil by mouth",
    "Neurological evaluation: pupils, cranial nerves (6th nerve palsy = cerebral edema), DTR",
]
for item in init_items:
    story.append(Paragraph(f"<bullet>\u2022</bullet> {item}", BODY))
story.append(sp(6))

# ── 3B. Fluid Therapy
story.append(p("<b>B. FLUID THERAPY  (Mainstay of treatment)</b>", H2))

fluid_data = [
    [Paragraph("CONDITION", TABLE_HEADER),
     Paragraph("FEATURES", TABLE_HEADER),
     Paragraph("FLUID REGIME", TABLE_HEADER)],
    [Paragraph("Minimal dehydration (Mild DKA)", TABLE_CELL_BOLD),
     Paragraph("Tolerates oral fluids", TABLE_CELL),
     Paragraph("Oral fluids; S/C insulin", TABLE_CELL)],
    [Paragraph("Moderate/Severe dehydration (not in shock)", TABLE_CELL_BOLD),
     Paragraph("Vomiting, intolerant to oral, dehydrated", TABLE_CELL),
     Paragraph("10-20 mL/kg IV NS (0.9%) over 20-30 min", TABLE_CELL)],
    [Paragraph("Shock", TABLE_CELL_BOLD),
     Paragraph("Thready pulse, altered consciousness/coma", TABLE_CELL),
     Paragraph("Secure ABC; IV bolus 20 mL/kg 0.9% NS", TABLE_CELL)],
]
fluid_table = Table(fluid_data, colWidths=[4.5*cm, 5*cm, doc.width-9.5*cm])
fluid_table.setStyle(TableStyle([
    ("BACKGROUND", (0,0), (-1,0), C_ORANGE),
    ("VALIGN", (0,0), (-1,-1), "TOP"),
    ("GRID", (0,0), (-1,-1), 0.4, colors.HexColor("#AAAAAA")),
    ("TOPPADDING", (0,0), (-1,-1), 5),
    ("BOTTOMPADDING", (0,0), (-1,-1), 5),
    ("LEFTPADDING", (0,0), (-1,-1), 5),
    *[("BACKGROUND", (0,i), (-1,i), C_WHITE if i%2==1 else C_LTORANGE) for i in range(1,4)],
]))
story.append(fluid_table)
story.append(sp(5))

fluid_details = [
    ("Deficit", "5-10% body weight in most children"),
    ("Rate", "3-3.5 L/m²/day. <b>Never exceed 4 L/m²/day</b> (cerebral edema risk)"),
    ("Duration", "Correct over <b>48 hours</b> (72 hr if high plasma osmolality)"),
    ("IV fluid choice", "<b>Normal saline (NS) for first 6 hours</b>, then Na content 77-154 mEq/L"),
    ("Add dextrose when", "Blood glucose &lt; <b>270 mg/dL</b> — add 5% dextrose to IV fluid"),
    ("Important note", "Count fluids already given at referring centre in total calculation"),
]
story.append(key_val_table(fluid_details, col1=5*cm))
story.append(sp(5))
story.append(warn_box(
    "<b>WARNING:</b> Rapid and excessive fluid = risk for CEREBRAL EDEMA. "
    "Slow rise in serum Na with rapid fall in glucose = cerebral edema risk."
))
story.append(sp(8))

# ── 3C. Insulin Therapy
story.append(p("<b>C. INSULIN THERAPY</b>", H2))
story.append(info_box(
    "<b>RULE:</b> Start insulin <b>1 hour AFTER</b> starting fluids. "
    "Early insulin = drastic fall in osmolality + hypokalemia + cerebral edema risk."
))
story.append(sp(5))

insulin_details = [
    ("Route", "<b>IV continuous infusion</b> (preferred). Flush tubing with insulin first — insulin binds to plastic."),
    ("Standard dose", "<b>0.05-0.1 u/kg/hr</b> IV infusion"),
    ("Infants / mild DKA", "0.05 u/kg/hr"),
    ("Increase dose if", "Glucose not falling ≥ 50 mg/dL/hr OR acidosis not resolving → increase by <b>0.02 u/kg/hr</b>"),
    ("NEVER reduce insulin", "When glucose falls — <b>ADD dextrose instead</b> (reducing insulin prolongs acidosis)"),
    ("No bolus", "<b>NO initial insulin bolus</b> — C/I due to cerebral edema risk"),
    ("If no IV available", "IM regular insulin: <b>0.3 u/kg loading</b>, then <b>0.1 u/kg/hr</b>"),
    ("SC insulin", "<b>NOT recommended</b> in moderate/severe DKA — poor perfusion = poor absorption"),
]
story.append(key_val_table(insulin_details, col1=4.5*cm))
story.append(sp(8))

# ── 3D. Potassium Protocol
story.append(p("<b>D. POTASSIUM REPLACEMENT PROTOCOL  (High Yield)</b>", H2))

k_data = [
    [Paragraph("SERUM K⁺ LEVEL", TABLE_HEADER),
     Paragraph("ACTION", TABLE_HEADER),
     Paragraph("REASON", TABLE_HEADER)],
    [Paragraph("< 3.5 mEq/L", sty("kl", fontSize=9.5, fontName="Helvetica-Bold",
                                     textColor=C_RED, leading=12)),
     Paragraph("<b>Give K⁺ BEFORE starting insulin</b>", TABLE_CELL),
     Paragraph("Insulin will drop K⁺ further - dangerous", TABLE_CELL)],
    [Paragraph("3.5 - 6.0 mEq/L", TABLE_CELL_BOLD),
     Paragraph("Add <b>40 mEq/L KCl</b> to IV fluid at time of starting insulin", TABLE_CELL),
     Paragraph("Standard protocol", TABLE_CELL)],
    [Paragraph("> 6.0 mEq/L\nOR anuric\nOR ECG hyperkalemia changes", sty("kh", fontSize=9.5,
                fontName="Helvetica-Bold", textColor=C_RED, leading=12)),
     Paragraph("<b>DO NOT give K⁺</b>", TABLE_CELL),
     Paragraph("Risk of fatal hyperkalemia", TABLE_CELL)],
]
k_table = Table(k_data, colWidths=[3.8*cm, 7*cm, doc.width-10.8*cm])
k_table.setStyle(TableStyle([
    ("BACKGROUND", (0,0), (-1,0), C_NAVY),
    ("VALIGN", (0,0), (-1,-1), "MIDDLE"),
    ("GRID", (0,0), (-1,-1), 0.4, colors.HexColor("#AAAAAA")),
    ("TOPPADDING", (0,0), (-1,-1), 6),
    ("BOTTOMPADDING", (0,0), (-1,-1), 6),
    ("LEFTPADDING", (0,0), (-1,-1), 6),
    ("BACKGROUND", (0,1), (-1,1), C_LTRED),
    ("BACKGROUND", (0,2), (-1,2), C_LTGREEN),
    ("BACKGROUND", (0,3), (-1,3), C_LTRED),
]))
story.append(k_table)
story.append(sp(8))

# ── 3E. Acid-base / Bicarbonate
story.append(p("<b>E. BICARBONATE THERAPY</b>", H2))
story.append(warn_box(
    "<b>AVOID bicarbonate routinely</b> — risks: cerebral edema, lactic acidosis, hypokalemia, worsens CNS acidosis."
))
story.append(sp(4))
story.append(info_box(
    "<b>EXCEPTION — Give bicarbonate ONLY IF:</b><br/>"
    "1. pH &lt; 6.9 WITH hemodynamic compromise, OR<br/>"
    "2. Severe hyperkalemia: K⁺ &gt; 6.5 mEq/L with ECG changes"
))
story.append(sp(8))

# ── 3F. Dextrose rule
story.append(p("<b>F. DEXTROSE RULE</b>", H2))
story.append(info_box(
    "Add <b>5% dextrose</b> to IV fluids once blood glucose &lt; <b>270-300 mg/dL</b>.<br/>"
    "Hyperglycemia resolves BEFORE acidosis — so do NOT stop insulin; add dextrose to maintain infusion."
))
story.append(sp(8))

# ── 3G. Transition / Stopping treatment
story.append(p("<b>G. DISCONTINUATION OF ACUTE TREATMENT</b>", H2))
transition_items = [
    "Switch to S/C insulin when: <b>conscious + tolerating oral feeds + acidosis resolved</b>",
    "Give <b>regular/rapid-acting insulin 0.25 u/kg</b> S/C 30 minutes BEFORE first meal",
    "Stop IV insulin infusion <b>30 minutes AFTER</b> S/C dose (overlap prevents rebound hyperglycemia)",
    "Start basal-bolus or mix-split SC insulin regime",
]
for item in transition_items:
    story.append(Paragraph(f"<bullet>\u2022</bullet> {item}", BODY))
story.append(sp(10))

# ═══════════════════════════════════════════════════════
# SECTION 4: COMPLICATIONS
# ═══════════════════════════════════════════════════════
story.append(section_header("4.  COMPLICATIONS OF DKA", bg=C_RED))
story.append(sp(6))

# Cerebral edema box
ce_header = Table([[Paragraph(
    "CEREBRAL EDEMA  —  Most common cause of death in DKA",
    sty("CEH", fontSize=11, fontName="Helvetica-Bold", textColor=C_WHITE, alignment=TA_CENTER)
)]], colWidths=[doc.width])
ce_header.setStyle(TableStyle([
    ("BACKGROUND", (0,0), (-1,-1), C_RED),
    ("TOPPADDING", (0,0), (-1,-1), 6),
    ("BOTTOMPADDING", (0,0), (-1,-1), 6),
]))
story.append(ce_header)
story.append(sp(4))

ce_left = [
    [Paragraph("TIMING", TABLE_CELL_BOLD)],
    [Paragraph("Usually <b>4-12 hours</b> after starting treatment (rarely at diagnosis)", TABLE_CELL)],
    [Paragraph("", TABLE_CELL)],
    [Paragraph("RISK FACTORS  (mnemonic: ASHIC)", TABLE_CELL_BOLD)],
    [Paragraph("<b>A</b>ge &lt; 5 years", TABLE_CELL)],
    [Paragraph("<b>S</b>evere acidosis", TABLE_CELL)],
    [Paragraph("<b>H</b>ydration excessive (rapid/excess IV fluids)", TABLE_CELL)],
    [Paragraph("<b>I</b>nsulin bolus given", TABLE_CELL)],
    [Paragraph("<b>C</b>O₂ &lt; 10 mmol/L; alkali treatment", TABLE_CELL)],
    [Paragraph("Rapid fall in serum Na⁺ or osmolality", TABLE_CELL)],
]

ce_right = [
    [Paragraph("EARLY SIGNS", TABLE_CELL_BOLD)],
    [Paragraph("Headache, vomiting, drowsiness, irritability", TABLE_CELL)],
    [Paragraph("<b>Hypertension + Bradycardia</b> (Cushing's triad)", TABLE_CELL)],
    [Paragraph("", TABLE_CELL)],
    [Paragraph("LATE/SEVERE SIGNS", TABLE_CELL_BOLD)],
    [Paragraph("Unconsciousness", TABLE_CELL)],
    [Paragraph("Focal neurological deficits", TABLE_CELL)],
    [Paragraph("<b>Papilledema</b>, fixed dilated pupils", TABLE_CELL)],
    [Paragraph("<b>6th nerve palsy</b> (early sign)", TABLE_CELL)],
    [Paragraph("Brisk DTR (raised ICP)", TABLE_CELL)],
]

ce_cols_left  = Table(ce_left,  colWidths=[doc.width/2 - 0.5*cm])
ce_cols_right = Table(ce_right, colWidths=[doc.width/2 - 0.5*cm])
ce_cols_left.setStyle(TableStyle([
    ("VALIGN", (0,0), (-1,-1), "TOP"),
    ("LEFTPADDING", (0,0), (-1,-1), 4),
    ("TOPPADDING", (0,0), (-1,-1), 3),
    ("BOTTOMPADDING", (0,0), (-1,-1), 3),
]))
ce_cols_right.setStyle(TableStyle([
    ("VALIGN", (0,0), (-1,-1), "TOP"),
    ("LEFTPADDING", (0,0), (-1,-1), 4),
    ("TOPPADDING", (0,0), (-1,-1), 3),
    ("BOTTOMPADDING", (0,0), (-1,-1), 3),
]))
ce_two_col = Table([[ce_cols_left, ce_cols_right]], colWidths=[doc.width/2, doc.width/2])
ce_two_col.setStyle(TableStyle([
    ("VALIGN", (0,0), (-1,-1), "TOP"),
    ("BOX", (0,0), (-1,-1), 1, C_RED),
    ("INNERGRID", (0,0), (-1,-1), 0.5, colors.HexColor("#FFCCCC")),
    ("BACKGROUND", (0,0), (-1,-1), C_LTRED),
    ("LEFTPADDING", (0,0), (-1,-1), 4),
    ("TOPPADDING", (0,0), (-1,-1), 6),
    ("BOTTOMPADDING", (0,0), (-1,-1), 6),
]))
story.append(ce_two_col)
story.append(sp(5))

story.append(info_box(
    "<b>TREATMENT OF CEREBRAL EDEMA:</b><br/>"
    "1. IV <b>Mannitol 5 mL/kg</b> stat (osmotic agent)<br/>"
    "2. <b>Fluid restriction</b><br/>"
    "3. <b>Head elevation</b><br/>"
    "4. Diagnosis is CLINICAL — do not wait for imaging<br/>"
    "5. Hypertonic saline (3%) 2.5-5 mL/kg may be used as alternative to mannitol",
    bg=C_LTRED, border=C_RED
))
story.append(sp(8))

# Other complications
story.append(p("<b>OTHER COMPLICATIONS</b>", H2))
other_comp = [
    ("Hypokalemia", "Life-threatening; occurs after insulin starts; prevent with K⁺ protocol"),
    ("Hypoglycemia", "Add dextrose when glucose < 270 mg/dL"),
    ("Hypernatremia", "From excessive NS; monitor corrected Na⁺"),
    ("Infection (bacterial/fungal)", "Persistent fever + leukocytosis. Watch for:<br/>- <b>Black nasal discharge</b> = Rhinocerebral mucormycosis<br/>- <b>Hemoptysis</b> = Pulmonary aspergillosis"),
    ("Cerebral thrombosis", "Rare; due to dehydration and hyperviscosity"),
    ("Aspiration pneumonia", "From vomiting; hence NG tube if unconscious"),
    ("Acute renal failure", "From severe dehydration; high BUN indicates severity"),
]
story.append(key_val_table(other_comp, col1=4.5*cm))
story.append(sp(10))

# ═══════════════════════════════════════════════════════
# SECTION 5: MONITORING
# ═══════════════════════════════════════════════════════
story.append(section_header("5.  MONITORING", bg=C_TEAL))
story.append(sp(6))

story.append(p("<b>Clinical Monitoring (Hourly):</b>", BODY_BOLD))
clin_items = [
    "Neurological status (GCS, pupils, cranial nerves)",
    "Heart rate, blood pressure",
    "Fluid input/output",
    "Signs of cerebral edema: headache, vomiting, drowsiness, bradycardia",
]
for item in clin_items:
    story.append(Paragraph(f"<bullet>\u2022</bullet> {item}", BODY))
story.append(sp(5))

story.append(p("<b>Laboratory Monitoring:</b>", BODY_BOLD))
lab_freq = [
    [Paragraph("PARAMETER", TABLE_HEADER),
     Paragraph("FREQUENCY", TABLE_HEADER)],
    [Paragraph("Blood glucose", TABLE_CELL),
     Paragraph("Every 1 hour", TABLE_CELL)],
    [Paragraph("Blood ketones", TABLE_CELL),
     Paragraph("Every 4 hours", TABLE_CELL)],
    [Paragraph("pH, bicarbonate, electrolytes", TABLE_CELL),
     Paragraph("Every 4 hours", TABLE_CELL)],
    [Paragraph("Serum sodium (corrected)", TABLE_CELL),
     Paragraph("Every 4 hours", TABLE_CELL)],
]
lab_table = Table(lab_freq, colWidths=[doc.width*0.55, doc.width*0.45])
lab_table.setStyle(TableStyle([
    ("BACKGROUND", (0,0), (-1,0), C_TEAL),
    ("GRID", (0,0), (-1,-1), 0.4, colors.HexColor("#AAAAAA")),
    ("ROWBACKGROUNDS", (0,1), (-1,-1), [C_WHITE, C_LTBLUE]),
    ("TOPPADDING", (0,0), (-1,-1), 5),
    ("BOTTOMPADDING", (0,0), (-1,-1), 5),
    ("LEFTPADDING", (0,0), (-1,-1), 6),
    ("VALIGN", (0,0), (-1,-1), "MIDDLE"),
]))
story.append(lab_table)
story.append(sp(8))

# Response to treatment table (high yield)
story.append(p("<b>RESPONSE TO TREATMENT TABLE  (Table 18.36 - High Yield for Exams)</b>", BODY_BOLD))
story.append(sp(4))

rtt_data = [
    [Paragraph("PARAMETER", TABLE_HEADER),
     Paragraph("EXPECTED RESPONSE", TABLE_HEADER),
     Paragraph("CONCERN", TABLE_HEADER),
     Paragraph("ACTION", TABLE_HEADER)],
    [Paragraph("Blood glucose", TABLE_CELL_BOLD),
     Paragraph("Decrease 50-100 mg/dL/hr", TABLE_CELL),
     Paragraph("Fall > 100 mg/dL/hr\nFall < 50 mg/dL/hr", TABLE_CELL),
     Paragraph("Add dextrose to IV fluid\nPrepare fresh insulin; flush tubing", TABLE_CELL)],
    [Paragraph("Blood pH", TABLE_CELL_BOLD),
     Paragraph("Resolution by 12 hours", TABLE_CELL),
     Paragraph("Persistent at 12 hours", TABLE_CELL),
     Paragraph("Exclude infection, shock, lactic acidosis", TABLE_CELL)],
    [Paragraph("Serum Na⁺", TABLE_CELL_BOLD),
     Paragraph("Should increase", TABLE_CELL),
     Paragraph("Rise < 2 mmol/L/hr", TABLE_CELL),
     Paragraph("Increase Na concentration in IV fluid", TABLE_CELL)],
    [Paragraph("Serum K⁺", TABLE_CELL_BOLD),
     Paragraph("Gradual decrease", TABLE_CELL),
     Paragraph("Hypokalemia", TABLE_CELL),
     Paragraph("Increase K⁺ in IV fluid", TABLE_CELL)],
    [Paragraph("Anion gap", TABLE_CELL_BOLD),
     Paragraph("Resolution by 12 hours", TABLE_CELL),
     Paragraph("Elevated at 12 hours", TABLE_CELL),
     Paragraph("Exclude lactic acidosis, consider infection", TABLE_CELL)],
    [Paragraph("Plasma osmolality", TABLE_CELL_BOLD),
     Paragraph("Stable", TABLE_CELL),
     Paragraph("Decrease > 2 mOsm/kg/hr", TABLE_CELL),
     Paragraph("Increase Na concentration; decrease fluid rate", TABLE_CELL)],
    [Paragraph("Blood urea", TABLE_CELL_BOLD),
     Paragraph("Should decrease", TABLE_CELL),
     Paragraph("Persistently elevated", TABLE_CELL),
     Paragraph("Exclude renal failure", TABLE_CELL)],
]

rtt_col = [3.2*cm, 4*cm, 4*cm, doc.width-11.2*cm]
rtt_table = Table(rtt_data, colWidths=rtt_col)
rtt_table.setStyle(TableStyle([
    ("BACKGROUND", (0,0), (-1,0), C_TEAL),
    ("VALIGN", (0,0), (-1,-1), "TOP"),
    ("GRID", (0,0), (-1,-1), 0.4, colors.HexColor("#AAAAAA")),
    ("TOPPADDING", (0,0), (-1,-1), 5),
    ("BOTTOMPADDING", (0,0), (-1,-1), 5),
    ("LEFTPADDING", (0,0), (-1,-1), 5),
    ("RIGHTPADDING", (0,0), (-1,-1), 5),
    *[("BACKGROUND", (0,i), (-1,i), C_WHITE if i%2==1 else C_LTBLUE) for i in range(1,9)],
]))
story.append(rtt_table)
story.append(sp(10))

# ── FOOTER
footer_data = [[
    Paragraph(
        "DKA Notes  |  Marrow + Essential Pediatrics  |  ISPAD Guidelines  |  Final Year Theory Exam",
        sty("FT", fontSize=8, fontName="Helvetica", textColor=C_WHITE, alignment=TA_CENTER)
    )
]]
footer = Table(footer_data, colWidths=[doc.width])
footer.setStyle(TableStyle([
    ("BACKGROUND", (0,0), (-1,-1), C_NAVY),
    ("TOPPADDING", (0,0), (-1,-1), 6),
    ("BOTTOMPADDING", (0,0), (-1,-1), 6),
]))
story.append(footer)

# BUILD
doc.build(story)
print(f"PDF created: {OUTPUT}")

Running Command

cd /tmp/workspace/dka-notes && python make_dka_pdf.py 2>&1

Your PDF is ready! Download it here:

DKA Notes

PDF Document · PDF

What's inside the PDF (5 colour-coded sections):

Section	Colour	Content
1. Differential Diagnosis	Navy	When to suspect DKA table with DDx + clues
2. Investigations	Teal	All 12 investigations with findings + significance
3. Management	Orange	3 pillars, initial stabilization, fluid therapy, insulin, K⁺ protocol, bicarbonate exceptions, dextrose rule, transition criteria
4. Complications	Red	Full cerebral edema box (risk factors - ASHIC mnemonic, signs, treatment), other complications
5. Monitoring	Teal	Clinical + lab monitoring frequency + full Response to Treatment table (Table 18.36)

Tell me points that I must add in my marrow notes

Based on my full analysis of both your Marrow notes and the textbook, here are the must-add points only - nothing you already have:

PATHOPHYSIOLOGY PAGE (pg 212)

Add one missing branch to your flowchart:

Acidosis → K⁺ + PO₄³⁻ shift ICF → ECF → Serum K⁺ initially HIGH → becomes LOW after insulin starts

CRITERIA PAGE (pg 212)

Correct one value:

Your notes say HCO₃ < 18 mmol/L → textbook says < 15 mEq/L (Write both: < 18 ISPAD / < 15 textbook)

ADD NEW SECTION — DIFFERENTIAL DIAGNOSIS

(Examiners ask "when to suspect DKA")

Presentation	DDx
Encephalopathy	CNS infection, malaria, poisoning
Acute abdomen	Pancreatitis, appendicitis
Dehydration	Gastroenteritis
Tachypnea	Asthma, pneumonia
Acidosis + NO ketones	Renal failure, septicemia
Ketosis + NO hyperglycemia	Starvation, salicylate poisoning

ADD NEW SECTION — INVESTIGATIONS

Investigation	Key Point
Serum K⁺	Normal/HIGH despite deficit (3-6 mEq/kg). Falls dangerously after insulin
Serum Na⁺	Falsely low. Use corrected Na⁺. Rapid fall = cerebral edema risk
Serum phosphate	Treat if < 1 mg/dL
WBC	Transient leukocytosis = normal. Persistent = infection
Blood urea	High BUN = severe DKA
ECG	Screen for hypo/hyperkalemia

MANAGEMENT PAGE (pg 213) — Add these points

Initial stabilization — add 2 lines:

NG tube + urinary catheter if unconscious
Defer intubation — worsens CNS acidosis

ICU criteria — add box:

Age < 2 years OR Severe DKA → ICU

Fluid therapy — add numbers:

NS for first 6 hours → then Na 77-154 mEq/L
Never exceed 4 L/m²/day
Correct over 48 hours (72 hr if high osmolality)
Add 5% dextrose when glucose < 270 mg/dL (your notes say 300 — add 270)

Insulin — add 3 lines:

Flush IV tubing with insulin before use (binds to plastic)
Increase by 0.02 u/kg/hr if glucose not falling ≥ 50 mg/dL/hr
Never reduce insulin rate — add dextrose instead

K⁺ Protocol — add as separate box (HIGH YIELD):

K⁺ < 3.5     → Give K⁺ BEFORE insulin
K⁺ 3.5-6.0  → 40 mEq/L KCl with insulin (already in notes ✓)
K⁺ > 6.0     → DO NOT give K⁺
Anuric / ECG hyperkalemia → DO NOT give K⁺

Bicarbonate — add exception to your C/I:

Give ONLY IF: pH < 6.9 + hemodynamic compromise OR K⁺ > 6.5 mEq/L with ECG changes

ADD NEW SECTION — CEREBRAL EDEMA (Most marks)

Risk factors (ASHIC):

Age < 5 yr
Severe acidosis
Hydration excessive / rapid
Insulin bolus
CO₂ < 10 mmol/L + alkali treatment

Signs:

Early: Headache, vomiting, drowsiness, hypertension + bradycardia
Late: Unconscious, focal deficits, papilledema, fixed dilated pupils, 6th nerve palsy

Treatment:

IV Mannitol 5 mL/kg stat
Fluid restriction + head elevation

ADD NEW SECTION — MONITORING

Clinical (hourly): Neuro status, HR, BP, I/O

Lab:

Hourly: Blood glucose
4-hourly: Ketones, pH, HCO₃, electrolytes

ADD — STOPPING TREATMENT

Once conscious + oral feeds tolerated + acidosis resolved:

SC insulin 0.25 u/kg 30 min before first meal

Stop IV insulin 30 min after SC dose

That's everything. The 3 highest-yield additions are:

K⁺ protocol box
Cerebral edema full section
Investigations table

+12 more

Hypothyroidism in children clinical feature investigation management Congenital hypothyroidism Criticism What points to add in my notes from textbook

I can see both your Marrow notes and the textbook clearly. Let me do a direct comparison.

analyse_media

I now have a complete picture of both your Marrow notes (all 4 pages) and the textbook (pages 537-540). Here is the precise gap analysis:

POINTS TO ADD TO YOUR MARROW NOTES

PAGE 200 — CONGENITAL HYPOTHYROIDISM (Classification & Etiology)

Add prevalence:

Prevalence = 1 in 2,000 newborns (India: much higher)

Add to Etiology — Primary causes (textbook Table 18.5 — missing from your notes):

Autoimmune thyroiditis (primary cause in older children)
Thyroid injury: Surgery, radiation, infection
Goitrogens: Thiocyanates, thionamides, lithium, amiodarone
Iodine excess (maternal)

Add to Central/Secondary causes:

Secondary/Tertiary (<5% of cases):

Septo-optic dysplasia, holoprosencephaly

CNS insults: trauma, surgery, radiation, infection

CNS tumors: Craniopharyngioma, germinoma

Add clue for central vs primary hypothyroidism:

Hypoglycemia + micropenis + midline facial defects = hypothalamic-pituitary etiology

Add to Thyroid dyshormonogenesis:

Pendred syndrome = pendrin gene defect → iodine transport defect + deafness

PAGE 200 — FEATURES (Clinical features box to add)

Add these missing features from Table 18.6:

Facial puffiness (lethargy)
Mottling of skin
Hypotonia (your notes don't mention it)
Protuberant abdomen
Sallow edematous facies
Unexplained hypothermia
Delayed neurodevelopment

Add "Evaluation" clue:

Always ask: maternal thyroid disease history? Maternal antithyroid drug use? Family history?

Add textbook Table 18.6 comparison — Congenital vs Acquired:

Congenital ONLY	Acquired ONLY	Both
Open posterior fontanel	Myopathy + pseudohypertrophy of limb muscles	Growth retardation
Umbilical hernia	Enlarged sella	Sallow edematous facies
Delayed neurodevelopment	Pseudotumor cerebri	Delayed skeletal maturation
Large tongue	—	Rough dry skin, hypothermia
—	—	Delayed puberty, constipation, hypotonia

PAGE 201 — INVESTIGATIONS (Add these missing points)

Add to Screening protocol (very high yield):

DBS collected at postnatal age 2-4 days
Cord blood used if postnatal DBS not feasible
TSH cut-offs:
- > 40 mU/L in first week → treat
- > 20 mU/L between 7-21 days → treat
- > 10 mU/L beyond 21 days → treat
Screening done after 48 hours of birth (TSH peaks at 24 hr, must wait)
TSH-first approach misses central hypothyroidism (important criticism)

Add TFT interpretation box (completely missing — HIGH YIELD):

Pattern	Interpretation
Low FT4 + High TSH	Primary hypothyroidism
Low FT4 + Low/Normal TSH	Central hypothyroidism
Normal FT4 + High TSH	Subclinical hypothyroidism
High FT3/FT4 + Undetectable TSH	Hyperthyroid state

TSH = most sensitive indicator of primary hypothyroidism Free T4 > Total T4 (TBG variability makes total unreliable)

Add confirmatory investigations when TSH > 40:

Radionuclide scan: if thyroid undetectable on scan but normal on USG → iodine transport defect or TSH receptor abnormality
Low TSH + Low FT4 → work up for pituitary-hypothalamic defects

PAGE 201 — TREATMENT (Add these missing details)

Add to Congenital Hypothyroidism treatment:

Start after sending confirmatory venous sample for FT4 and TSH
FT4 should normalize in 1 week, TSH in 1 month after starting treatment
FT4 monitored every 2 months in first year
In suspected transient CH: stop at age 3 years and retest (if thyroid functions normal → treatment not required)
Before stopping insulin in adrenal insufficiency → cortisol replacement precedes thyroxine (thyroid replacement may precipitate adrenal crisis)

Add outcome:

Early diagnosis + treatment = normal intellectual outcome Diagnosed beyond early infancy = neurocognitive disability + short stature (irreversible)

PAGE 202 — ENDEMIC CRETINISM (Expand this section)

Your notes only say "endemic to countries with severe iodine deficiency." Add:

Two types (HIGH YIELD for exams):

	Neurological type	Myxedematous type
Severity	Most severe	Less severe
Intellect	Very low IQ	Less severe intellectual impairment
Stature	Normal	Severe short stature
Goiter	Present	Absent
Features	Deaf-mutism, squint, proximal spasticity, rigidity	Coarse facial features, myxedema

Prevention:

Iodized salt OR iodized oil — highly efficacious
Treatment may eliminate hypothyroid signs but neuromotor and intellectual deficiency are IRREVERSIBLE
National Goiter Control Programme of India: started 1962, salt iodination plants, only iodized salt used

Daily iodine requirements:

Children up to 10 years: 40-120 µg/day
Older children + adults: 150 µg/day
Pregnancy/lactation: +25 µg and +50 µg additional

PAGE 202 — ACQUIRED HYPOTHYROIDISM (Add these missing points)

Add to etiology:

AIT may be associated with other autoimmune conditions:

Adrenal insufficiency, Type 1 DM, hypoparathyroidism (Schmidt syndrome/polyglandular)

Add screening indication:

These children should be periodically screened even without symptoms:

Down syndrome

Turner syndrome

Celiac disease

Type 1 diabetes

Add to clinical features:

Cold intolerance
Lethargy, poor school performance
Delayed dentition
Uncontrolled long-standing hypothyroidism → ovarian cysts in girls → peripheral sexual precocity (Van Wyk Grumbach syndrome)

Add to management — treatment details (your notes are incomplete here):

Thyroxine dose for acquired: 100 µg/m²/day
Give on empty stomach, 30 minutes before breakfast
At least 6 hours before iron or calcium supplements (absorption reduced)
Gradual build-up over 3-4 weeks (25-50% dose increase)
Follow-up: every 3 months for first 2 years, then 6-monthly
Doses adjusted to maintain FT4 + TSH in normal range

ADD NEW SECTION — SUBCLINICAL HYPOTHYROIDISM

Mild TSH elevation (< 10 mU/L) with normal FT4 Usually reverses in 3-6 months Treat if: thyromegaly + anti-TPO antibodies present + family history

ADD NEW SECTION — GOITER (Examiners ask this as short note)

Etiology (Table 18.7):

Diffuse: Autoimmune (Hashimoto's, Graves'), iodine deficiency, dyshormonogenesis, Pendred syndrome
Nodular: Multinodular (long-standing goiter), solitary nodule (toxic/cold)

Solitary thyroid nodule — malignancy pointers:

Firm nodule with limited mobility
Associated lymph node enlargement
→ Do USG + fine needle aspiration cytology (FNAC)

Management of goiter:

Treat the cause
Surgery: only if causing respiratory embarrassment
Suppressive thyroxine for euthyroid goiter = limited benefit, best avoided

SUMMARY — TOP MUST-ADDS

Priority	Add
⭐⭐⭐	TFT interpretation table (primary vs central vs subclinical)
⭐⭐⭐	TSH screening cut-offs (40/20/10 mU/L) + 48-hour rule
⭐⭐⭐	Endemic cretinism — 2 types table
⭐⭐⭐	Acquired hypothyroidism screening indications (Down, Turner, T1DM)
⭐⭐	Congenital vs Acquired clinical features table
⭐⭐	Thyroxine dosing details + timing (empty stomach, iron/Ca separation)
⭐⭐	Transient CH protocol (stop at 3 years, retest)
⭐⭐	Subclinical hypothyroidism
⭐	Pendred syndrome
⭐	Cortisol precedes thyroxine in adrenal insufficiency

+4 more

Make notes on congestive cardiac failure Exam orientated points for university theory examination final year mbbs More focus on signs symptoms management Pdf

analyse_media

All 4 pages extracted. Now building the PDF.

Writing File

~/dka-notes/make_ccf_pdf.py

from reportlab.lib.pagesizes import A4
from reportlab.lib import colors
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.lib.units import cm, mm
from reportlab.platypus import (
    SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle,
    HRFlowable, KeepTogether, PageBreak
)
from reportlab.lib.enums import TA_CENTER, TA_LEFT, TA_JUSTIFY

OUTPUT = "/tmp/workspace/dka-notes/CCF_Notes.pdf"

doc = SimpleDocTemplate(
    OUTPUT, pagesize=A4,
    rightMargin=1.8*cm, leftMargin=1.8*cm,
    topMargin=2*cm, bottomMargin=2*cm,
)

W = doc.width

# ── Palette ──────────────────────────────────
C_NAVY    = colors.HexColor("#1A3A5C")
C_TEAL    = colors.HexColor("#0B6E6E")
C_ORANGE  = colors.HexColor("#C85000")
C_RED     = colors.HexColor("#B82020")
C_PURPLE  = colors.HexColor("#5B2D8E")
C_GREEN   = colors.HexColor("#1A6E3C")
C_LTBLUE  = colors.HexColor("#E8F4FD")
C_LTGREEN = colors.HexColor("#E8F8F0")
C_LTRED   = colors.HexColor("#FDF0F0")
C_LTORANGE= colors.HexColor("#FFF5E6")
C_LTPURPLE= colors.HexColor("#F3EEF8")
C_GREY    = colors.HexColor("#F4F4F4")
C_WHITE   = colors.white
C_BLACK   = colors.HexColor("#1A1A1A")
C_YELLOW  = colors.HexColor("#FFFBE6")

# ── Styles ────────────────────────────────────
def sty(name, **kw): return ParagraphStyle(name, **kw)

TITLE  = sty("T", fontSize=22, fontName="Helvetica-Bold", textColor=C_WHITE, alignment=TA_CENTER, spaceAfter=2)
SUB    = sty("S", fontSize=10, fontName="Helvetica", textColor=C_WHITE, alignment=TA_CENTER)
H1     = sty("H1", fontSize=12, fontName="Helvetica-Bold", textColor=C_WHITE, spaceBefore=4, spaceAfter=2, leftIndent=4)
H2     = sty("H2", fontSize=10.5, fontName="Helvetica-Bold", textColor=C_NAVY, spaceBefore=7, spaceAfter=3)
BODY   = sty("B", fontSize=9, fontName="Helvetica", textColor=C_BLACK, spaceBefore=2, spaceAfter=2, leading=13)
BBOLD  = sty("BB", fontSize=9, fontName="Helvetica-Bold", textColor=C_NAVY, spaceBefore=2, spaceAfter=2, leading=13)
SMALL  = sty("SM", fontSize=8.5, fontName="Helvetica", textColor=C_BLACK, leading=12)
TH     = sty("TH", fontSize=8.5, fontName="Helvetica-Bold", textColor=C_WHITE, alignment=TA_CENTER, leading=11)
TC     = sty("TC", fontSize=8.5, fontName="Helvetica", textColor=C_BLACK, leading=12)
TCB    = sty("TCB", fontSize=8.5, fontName="Helvetica-Bold", textColor=C_NAVY, leading=12)
TCC    = sty("TCC", fontSize=8.5, fontName="Helvetica", textColor=C_BLACK, alignment=TA_CENTER, leading=12)
WARN   = sty("W", fontSize=8.5, fontName="Helvetica-Bold", textColor=C_RED, leading=12)
NOTE   = sty("N", fontSize=8.5, fontName="Helvetica-Oblique", textColor=C_TEAL, leading=12)

def sp(h=6): return Spacer(1, h)
def hr(): return HRFlowable(width="100%", thickness=0.8, color=C_TEAL, spaceAfter=3, spaceBefore=3)

def sec(text, bg=C_NAVY):
    t = Table([[Paragraph(text, H1)]], colWidths=[W])
    t.setStyle(TableStyle([
        ("BACKGROUND",(0,0),(-1,-1),bg),
        ("ROWPADDING",(0,0),(-1,-1),7),
    ]))
    return t

def box(text, bg=C_LTBLUE, border=C_TEAL, style=BODY):
    t = Table([[Paragraph(text, style)]], colWidths=[W])
    t.setStyle(TableStyle([
        ("BACKGROUND",(0,0),(-1,-1),bg),
        ("BOX",(0,0),(-1,-1),1.5,border),
        ("LEFTPADDING",(0,0),(-1,-1),8),
        ("RIGHTPADDING",(0,0),(-1,-1),8),
        ("TOPPADDING",(0,0),(-1,-1),6),
        ("BOTTOMPADDING",(0,0),(-1,-1),6),
    ]))
    return t

def warnbox(text): return box(text, C_LTRED, C_RED, WARN)
def tipbox(text):  return box(text, C_LTORANGE, C_ORANGE, BODY)

def b(text): return Paragraph(f"<bullet>\u2022</bullet> {text}", BODY)
def bb(text): return Paragraph(f"<bullet>\u2022</bullet> {text}", BBOLD)

def twocol(left_items, right_items, ratio=0.5):
    lw = W * ratio - 3*mm
    rw = W * (1-ratio) - 3*mm
    lt = Table([[i] for i in left_items],  colWidths=[lw])
    rt = Table([[i] for i in right_items], colWidths=[rw])
    lt.setStyle(TableStyle([("LEFTPADDING",(0,0),(-1,-1),0),("TOPPADDING",(0,0),(-1,-1),0),("BOTTOMPADDING",(0,0),(-1,-1),0)]))
    rt.setStyle(TableStyle([("LEFTPADDING",(0,0),(-1,-1),0),("TOPPADDING",(0,0),(-1,-1),0),("BOTTOMPADDING",(0,0),(-1,-1),0)]))
    t = Table([[lt, rt]], colWidths=[W*ratio, W*(1-ratio)])
    t.setStyle(TableStyle([("VALIGN",(0,0),(-1,-1),"TOP"),("LEFTPADDING",(0,0),(-1,-1),0),("RIGHTPADDING",(0,0),(-1,-1),0)]))
    return t

def gtable(headers, rows, cws, hbg=C_NAVY):
    data = [[Paragraph(h, TH) for h in headers]]
    for row in rows:
        data.append([Paragraph(str(c), TC) for c in row])
    t = Table(data, colWidths=cws)
    cmds = [
        ("BACKGROUND",(0,0),(-1,0),hbg),
        ("VALIGN",(0,0),(-1,-1),"TOP"),
        ("GRID",(0,0),(-1,-1),0.4,colors.HexColor("#AAAAAA")),
        ("TOPPADDING",(0,0),(-1,-1),4),
        ("BOTTOMPADDING",(0,0),(-1,-1),4),
        ("LEFTPADDING",(0,0),(-1,-1),5),
        ("RIGHTPADDING",(0,0),(-1,-1),5),
    ]
    for i in range(len(rows)):
        cmds.append(("BACKGROUND",(0,i+1),(-1,i+1),C_WHITE if i%2==0 else C_GREY))
    t.setStyle(TableStyle(cmds))
    return t

# ═══════════════════════════════════════════
story = []

# ── TITLE ─────────────────────────────────
tb = Table([[
    Paragraph("CONGESTIVE CARDIAC FAILURE", TITLE),
    Paragraph("CCF", sty("TL", fontSize=26, fontName="Helvetica-Bold",
                          textColor=colors.HexColor("#FFFFFF55"), alignment=TA_CENTER))
]], colWidths=[W-2.5*cm, 2.5*cm])
tb.setStyle(TableStyle([
    ("BACKGROUND",(0,0),(-1,-1),C_NAVY),
    ("VALIGN",(0,0),(-1,-1),"MIDDLE"),
    ("TOPPADDING",(0,0),(-1,-1),12),
    ("BOTTOMPADDING",(0,0),(-1,-1),12),
    ("LEFTPADDING",(0,0),(-1,-1),10),
]))
story.append(tb)
sub = Table([[Paragraph("Pediatric Cardiology  |  Essential Pediatrics  |  Final Year MBBS Theory Exam", SUB)]], colWidths=[W])
sub.setStyle(TableStyle([("BACKGROUND",(0,0),(-1,-1),C_TEAL),("TOPPADDING",(0,0),(-1,-1),5),("BOTTOMPADDING",(0,0),(-1,-1),5)]))
story.append(sub)
story.append(sp(10))

# ═══════════════════════════════════════════
# 1. DEFINITION
# ═══════════════════════════════════════════
story.append(sec("1.  DEFINITION"))
story.append(sp(5))
story.append(box(
    "<b>CCF = Inability of the heart to maintain an output</b> (at rest or during stress) "
    "necessary for the metabolic needs of the body.<br/><br/>"
    "<b>Systolic failure:</b> Unable to propel blood into the aorta (low cardiac output).<br/>"
    "<b>Diastolic failure:</b> Cannot receive blood at low pressure during diastole "
    "(increased filling pressures with preserved systolic function).<br/><br/>"
    "<b>Left-sided</b> pressure rise \u2192 Pulmonary congestion \u2192 Dyspnea<br/>"
    "<b>Right-sided</b> pressure rise \u2192 Hepatomegaly + Edema",
    C_LTBLUE, C_NAVY
))
story.append(sp(8))

# ═══════════════════════════════════════════
# 2. CAUSES / ETIOLOGY
# ═══════════════════════════════════════════
story.append(sec("2.  ETIOLOGY / CAUSES  (By Age Group)", bg=C_TEAL))
story.append(sp(6))

cause_data = [
    [Paragraph("AGE", TH), Paragraph("CAUSES", TH)],
    [Paragraph("Infants", TCB),
     Paragraph("Congenital heart disease (m/c)\nMyocarditis, primary myocardial disease\nTachyarrhythmias (HR >180/min), bradyarrhythmias (complete heart block)\nKawasaki disease with coronary occlusion\nPulmonary hypertension (PPHN, primary PH, upper airway obstruction)\nAnemia (Hb < 5 g/dL), Hypoglycemia, Infections, Hypocalcemia\nNeonatal asphyxia", TC)],
    [Paragraph("Children", TCB),
     Paragraph("Rheumatic fever / Rheumatic heart disease (beyond 5 yrs)\nCHD complicated by anemia, infection or endocarditis\nSystemic hypertension\nMyocarditis, primary myocardial disease\nPulmonary hypertension (primary, secondary)", TC)],
]
ctbl = Table(cause_data, colWidths=[3*cm, W-3*cm])
ctbl.setStyle(TableStyle([
    ("BACKGROUND",(0,0),(-1,0),C_TEAL),
    ("VALIGN",(0,0),(-1,-1),"TOP"),
    ("GRID",(0,0),(-1,-1),0.4,colors.HexColor("#AAAAAA")),
    ("TOPPADDING",(0,0),(-1,-1),5),
    ("BOTTOMPADDING",(0,0),(-1,-1),5),
    ("LEFTPADDING",(0,0),(-1,-1),6),
    ("BACKGROUND",(0,1),(-1,1),C_LTBLUE),
    ("BACKGROUND",(0,2),(-1,2),C_WHITE),
]))
story.append(ctbl)
story.append(sp(5))

# Diastolic failure causes
story.append(Paragraph("<b>Causes of Diastolic Heart Failure (Table 16.1):</b>", BBOLD))
diastolic_left = [
    b("Mitral/tricuspid valve stenosis (MS, TS)"),
    b("Constrictive pericarditis (CP)"),
    b("Restrictive cardiomyopathy (RCM)"),
    b("Acute ventricular volume overload (acute MR/AR)"),
]
diastolic_right = [
    b("Myocardial ischemia (MI)"),
    b("Marked ventricular hypertrophy (HCM, severe HTN, severe AS/PS)"),
    b("Dilated cardiomyopathy* (DCM)"),
    Paragraph("<i>*DCM has combined systolic + diastolic dysfunction</i>", NOTE),
]
story.append(twocol(diastolic_left, diastolic_right))
story.append(sp(5))

story.append(tipbox(
    "<b>Age clue for CHD type:</b> CHD from left-to-right shunts \u2192 CCF at 6-8 weeks of life. "
    "Valve leaks (MR/TR) \u2192 CCF earlier. "
    "CCF earlier than expected for a shunt lesion \u2192 suspect <b>coarctation of aorta</b>."
))
story.append(sp(10))

# ═══════════════════════════════════════════
# 3. CLINICAL FEATURES
# ═══════════════════════════════════════════
story.append(sec("3.  CLINICAL FEATURES  —  SYMPTOMS & SIGNS", bg=C_ORANGE))
story.append(sp(6))

# Symptoms
story.append(Paragraph("<b>A. SYMPTOMS  (Table 16.4)</b>", H2))

sym_data = [
    [Paragraph("SYMPTOM", TH), Paragraph("DETAIL / MECHANISM", TH)],
    [Paragraph("Poor weight gain", TCB),
     Paragraph("Inadequate feeding + excessive calorie loss from increased work of breathing", TC)],
    [Paragraph("Difficulty in feeding / Poor feeder", TCB),
     Paragraph("Takes < 1-2 oz at a time; gets breathless; hungry again within minutes of a small feed", TC)],
    [Paragraph("Breathes too fast while feeding", TCB),
     Paragraph("More comfortable when held against shoulder = equivalent of ORTHOPNEA in older children", TC)],
    [Paragraph("Persistent cough and wheezing", TCB),
     Paragraph("Left-sided failure; often mistaken for asthma/bronchiolitis", TC)],
    [Paragraph("Irritability, excessive perspiration, restlessness", TCB),
     Paragraph("Sympathetic activation; high metabolic state", TC)],
    [Paragraph("Pedal edema", TCB),
     Paragraph("Occurs late in children (vs. early in adults). Facial puffiness more common in infants", TC)],
    [Paragraph("Unusual short-term weight GAIN", TCB),
     Paragraph("Water retention manifesting as facial puffiness or foot edema", TC)],
    [Paragraph("Hoarse cry / persistent crying", TCB),
     Paragraph("Left heart failure; pulmonary congestion", TC)],
]
stbl = Table(sym_data, colWidths=[4.5*cm, W-4.5*cm])
stbl.setStyle(TableStyle([
    ("BACKGROUND",(0,0),(-1,0),C_ORANGE),
    ("VALIGN",(0,0),(-1,-1),"TOP"),
    ("GRID",(0,0),(-1,-1),0.4,colors.HexColor("#AAAAAA")),
    ("TOPPADDING",(0,0),(-1,-1),5),
    ("BOTTOMPADDING",(0,0),(-1,-1),5),
    ("LEFTPADDING",(0,0),(-1,-1),5),
    *[("BACKGROUND",(0,i),(-1,i),C_WHITE if i%2==1 else C_LTORANGE) for i in range(1,9)],
]))
story.append(stbl)
story.append(sp(8))

# Signs
story.append(Paragraph("<b>B. SIGNS  (Table 16.5)</b>", H2))

sign_data = [
    [Paragraph("LEFT-SIDED FAILURE", sty("LH",fontSize=8.5,fontName="Helvetica-Bold",textColor=C_WHITE,alignment=TA_CENTER)),
     Paragraph("FAILURE OF EITHER SIDE", sty("EH",fontSize=8.5,fontName="Helvetica-Bold",textColor=C_WHITE,alignment=TA_CENTER)),
     Paragraph("RIGHT-SIDED FAILURE", sty("RH",fontSize=8.5,fontName="Helvetica-Bold",textColor=C_WHITE,alignment=TA_CENTER))],
    [Paragraph("Tachypnea", TC), Paragraph("Cardiac enlargement", TCB), Paragraph("Hepatomegaly", TC)],
    [Paragraph("Tachycardia", TC), Paragraph("Gallop rhythm (S3)", TCB), Paragraph("Facial edema / puffiness", TC)],
    [Paragraph("Cough", TC), Paragraph("Peripheral cyanosis", TC), Paragraph("Jugular venous engorgement*", TC)],
    [Paragraph("Wheezing", TC), Paragraph("Small volume pulse", TC), Paragraph("Pedal edema (late)", TC)],
    [Paragraph("Rales in chest\n(often NOT audible)", TC), Paragraph("Lack of weight gain", TC), Paragraph("", TC)],
]
sgn_col = [W/3, W/3, W/3]
sgntbl = Table(sign_data, colWidths=sgn_col)
sgntbl.setStyle(TableStyle([
    ("BACKGROUND",(0,0),(0,0),C_TEAL),
    ("BACKGROUND",(1,0),(1,0),C_NAVY),
    ("BACKGROUND",(2,0),(2,0),C_ORANGE),
    ("VALIGN",(0,0),(-1,-1),"TOP"),
    ("GRID",(0,0),(-1,-1),0.4,colors.HexColor("#AAAAAA")),
    ("TOPPADDING",(0,0),(-1,-1),5),
    ("BOTTOMPADDING",(0,0),(-1,-1),5),
    ("LEFTPADDING",(0,0),(-1,-1),6),
    *[("BACKGROUND",(0,i),(-1,i),C_WHITE if i%2==1 else C_GREY) for i in range(1,7)],
]))
story.append(sgntbl)
story.append(sp(4))
story.append(Paragraph(
    "<i>*JVE not helpful in small infants (short fat neck; right atrial pressures stay normal in many infants with CCF)</i>",
    NOTE))
story.append(sp(5))

story.append(box(
    "<b>Common to BOTH left and right failure:</b> "
    "Cardiac enlargement + Gallop rhythm (S3) + Poor peripheral pulses ± Cyanosis",
    C_LTBLUE, C_NAVY
))
story.append(sp(10))

# ═══════════════════════════════════════════
# 4. INVESTIGATIONS
# ═══════════════════════════════════════════
story.append(sec("4.  INVESTIGATIONS", bg=C_TEAL))
story.append(sp(6))

inv_left = [
    Paragraph("<b>Chest X-ray:</b>", BBOLD),
    b("Cardiomegaly (CTR > 0.55 in children, > 0.60 in infants)"),
    b("Increased pulmonary vascular markings"),
    b("Pulmonary edema / congestion"),
    b("Pleural effusion (right > left)"),
    sp(3),
    Paragraph("<b>ECG:</b>", BBOLD),
    b("Tachycardia, arrhythmias"),
    b("Ventricular hypertrophy (LVH/RVH)"),
    b("ST-T changes (myocarditis, ischemia)"),
    b("Heart block / SVT - if arrhythmia is cause"),
    sp(3),
    Paragraph("<b>Blood investigations:</b>", BBOLD),
    b("CBC: Anemia (Hb < 5 g/dL causes CCF in normal hearts)"),
    b("Blood glucose (hypoglycemia as cause)"),
    b("Serum calcium (hypocalcemia as cause)"),
    b("Serum electrolytes, RFT"),
    b("BNP / NT-proBNP: elevated in heart failure"),
]
inv_right = [
    Paragraph("<b>Echocardiography (ECHO):</b>", BBOLD),
    b("Most important investigation"),
    b("Confirms diagnosis, identifies structural defect"),
    b("Assesses LV/RV function, EF (ejection fraction)"),
    b("Identifies CHD: VSD, ASD, PDA, AVSD"),
    b("Pericardial effusion"),
    b("Valve abnormalities"),
    sp(3),
    Paragraph("<b>Arterial Blood Gas (ABG):</b>", BBOLD),
    b("Metabolic acidosis in severe CCF"),
    b("Respiratory alkalosis in mild left-sided failure"),
    sp(3),
    Paragraph("<b>Urine output:</b>", BBOLD),
    b("Decreased (< 0.5 mL/kg/hr) = poor cardiac output"),
    b("Normal urine output + warm extremities + normal lactate = adequate perfusion"),
]
story.append(twocol(inv_left, inv_right))
story.append(sp(10))

# ═══════════════════════════════════════════
# 5. MANAGEMENT
# ═══════════════════════════════════════════
story.append(sec("5.  MANAGEMENT  —  4 PRONGED APPROACH", bg=C_RED))
story.append(sp(6))

pillars = Table([[
    Paragraph("1\nReduce Cardiac Work", sty("P1",fontSize=9,fontName="Helvetica-Bold",textColor=C_WHITE,alignment=TA_CENTER,leading=13)),
    Paragraph("2\nAugment Myocardial Contractility", sty("P2",fontSize=9,fontName="Helvetica-Bold",textColor=C_WHITE,alignment=TA_CENTER,leading=13)),
    Paragraph("3\nImprove Cardiac Performance\n(Reduce Preload)", sty("P3",fontSize=9,fontName="Helvetica-Bold",textColor=C_WHITE,alignment=TA_CENTER,leading=13)),
    Paragraph("4\nCorrect Underlying Cause", sty("P4",fontSize=9,fontName="Helvetica-Bold",textColor=C_WHITE,alignment=TA_CENTER,leading=13)),
]], colWidths=[W/4]*4)
pillars.setStyle(TableStyle([
    ("BACKGROUND",(0,0),(0,0),C_NAVY),
    ("BACKGROUND",(1,0),(1,0),C_TEAL),
    ("BACKGROUND",(2,0),(2,0),C_ORANGE),
    ("BACKGROUND",(3,0),(3,0),C_RED),
    ("TOPPADDING",(0,0),(-1,-1),10),
    ("BOTTOMPADDING",(0,0),(-1,-1),10),
    ("INNERGRID",(0,0),(-1,-1),2,C_WHITE),
    ("ALIGN",(0,0),(-1,-1),"CENTER"),
    ("VALIGN",(0,0),(-1,-1),"MIDDLE"),
]))
story.append(pillars)
story.append(sp(8))

story.append(warnbox(
    "IDENTIFICATION AND CORRECTION OF THE UNDERLYING CAUSE IS THE MOST IMPORTANT STEP "
    "— it has direct bearing on survival. "
    "Management focus has entirely shifted towards correcting the cause as early as possible."
))
story.append(sp(8))

# ── PILLAR 1: Reduce cardiac work
story.append(Paragraph("<b>PILLAR 1 — REDUCING CARDIAC WORK</b>", H2))

rw_left = [
    bb("Nursing in incubator (neonates)"),
    b("Handled minimally"),
    bb("Prop up at 30\u00b0 incline") + sp(0),
    b("Pooling of edema in dependent areas \u2192 reduces lung fluid"),
    bb("Temperature 36-37\u00b0C") + sp(0),
    b("Minimizes circulatory and metabolic demands"),
    bb("Humidified O\u2082 40-50%"),
    b("Improves oxygenation from pulmonary congestion"),
]
rw_right = [
    bb("Restrict patient activity"),
    b("Treat fever, anemia, obesity, infection"),
    bb("Mechanical ventilation if severe") + sp(0),
    b("Eliminates work of breathing entirely"),
    bb("Cautious sedation") + sp(0),
    b("Only if restless/dyspneic - very select cases"),
    Paragraph("<b>CAUTION:</b> O\u2082 in L\u2192R shunts can worsen CCF by increasing pulmonary blood flow at cost of systemic perfusion!", WARN),
]
# flatten lists
rw_l2 = []
rw_r2 = []
for x in rw_left:
    if isinstance(x, list):
        rw_l2.extend(x)
    else:
        rw_l2.append(x)
for x in rw_right:
    if isinstance(x, list):
        rw_r2.extend(x)
    else:
        rw_r2.append(x)
story.append(twocol(rw_l2, rw_r2))
story.append(sp(8))

# ── PILLAR 2: Augment contractility
story.append(Paragraph("<b>PILLAR 2 — AUGMENTING MYOCARDIAL CONTRACTILITY (Inotropes)</b>", H2))
story.append(Paragraph("<b>A. DIGOXIN (Oral Inotrope)</b>", BBOLD))

dig_pts = [
    b("Mechanism: Inhibits Na/K ATPase \u2192 increases intracellular Ca\u00b2\u207a \u2192 increases contractility"),
    b("Rapid onset; eliminated quickly. Available oral + parenteral"),
    b("Oral: 0.25 mg tablets OR elixir (1 mL = 0.05 mg)"),
    b("Parenteral dose = <b>70% of oral dose</b>"),
    b("Beneficial in mild to severe CCF with or without sinus rhythm"),
    b("Can be combined with ACE inhibitors (synergistic)"),
    b("<b>Use of digoxin for heart failure has declined considerably in recent years</b>"),
]
for pt in dig_pts:
    story.append(pt)
story.append(sp(4))

# Digoxin dose table
dig_data = [
    [Paragraph("AGE GROUP", TH), Paragraph("DIGITALIZING DOSE (mg/kg)", TH), Paragraph("MAINTENANCE DOSE (mg/kg/day)", TH)],
    [Paragraph("Premature / Neonates", TC), Paragraph("0.04", TCC), Paragraph("0.01", TCC)],
    [Paragraph("1 month - 1 year", TC), Paragraph("0.08", TCC), Paragraph("0.02 - 0.025", TCC)],
    [Paragraph("1 - 3 years", TC), Paragraph("0.06", TCC), Paragraph("0.015 - 0.02", TCC)],
    [Paragraph("Above 3 years", TC), Paragraph("0.04", TCC), Paragraph("0.017", TCC)],
]
story.append(gtable(
    ["AGE GROUP","DIGITALIZING DOSE (mg/kg)","MAINTENANCE DOSE (mg/kg/day)"],
    [["Premature / Neonates","0.04","0.01"],
     ["1 month - 1 year","0.08","0.02 - 0.025"],
     ["1 - 3 years","0.06","0.015 - 0.02"],
     ["Above 3 years","0.04","0.017"]],
    [5.5*cm, 5.5*cm, W-11*cm], hbg=C_NAVY
))
story.append(sp(6))

# IV inotropes
story.append(Paragraph("<b>B. INTRAVENOUS INOTROPIC AGENTS</b>", BBOLD))
iv_data = [
    [Paragraph("DRUG", TH), Paragraph("CLASS", TH), Paragraph("DOSE", TH), Paragraph("KEY POINTS", TH)],
    [Paragraph("Dopamine", TCB), Paragraph("Catecholamine\ninotrope", TC),
     Paragraph("< 5 \u03bcg/kg/min: \u2193 vasodilation\n> 5 \u03bcg/kg/min: vasoconstriction", TC),
     Paragraph("Use when BP low. Low dose: improves renal blood flow + natriuresis", TC)],
    [Paragraph("Dobutamine", TCB), Paragraph("Catecholamine\ninotrope", TC),
     Paragraph("2.5 - 15 \u03bcg/kg/min", TC),
     Paragraph("Increase gradually till desired response. Dilated CMP: 24-hr infusion once/twice weekly", TC)],
    [Paragraph("Milrinone", TCB), Paragraph("Phosphodiesterase\ninhibitor (inodilator)", TC),
     Paragraph("Loading: 50 \u03bcg/kg\nInfusion: 0.3-0.7 \u03bcg/kg/min\n(omit loading if hypotension concern)", TC),
     Paragraph("Inotrope + vasodilator. Popular post-cardiac surgery", TC)],
    [Paragraph("Levosimendan", TCB), Paragraph("Calcium sensitizer\n(inodilator)", TC),
     Paragraph("Loading: 6-12 \u03bcg/kg over 10 min\nInfusion: 0.05-0.2 \u03bcg/kg/min", TC),
     Paragraph("Unlike milrinone, does NOT increase risk of arrhythmias. Popular in acute care", TC)],
    [Paragraph("Adrenaline\n(Epinephrine)", TCB), Paragraph("Catecholamine", TC),
     Paragraph("IV infusion", TC),
     Paragraph("Used when no improvement on other inotropes. Last resort before advanced support", TC)],
]
ivtbl = Table(iv_data, colWidths=[2.8*cm, 3.2*cm, 4.2*cm, W-10.2*cm])
ivtbl.setStyle(TableStyle([
    ("BACKGROUND",(0,0),(-1,0),C_NAVY),
    ("VALIGN",(0,0),(-1,-1),"TOP"),
    ("GRID",(0,0),(-1,-1),0.4,colors.HexColor("#AAAAAA")),
    ("TOPPADDING",(0,0),(-1,-1),5),
    ("BOTTOMPADDING",(0,0),(-1,-1),5),
    ("LEFTPADDING",(0,0),(-1,-1),5),
    *[("BACKGROUND",(0,i),(-1,i),C_WHITE if i%2==1 else C_LTBLUE) for i in range(1,7)],
]))
story.append(ivtbl)
story.append(sp(8))

# ── PILLAR 3: Diuretics / Preload
story.append(Paragraph("<b>PILLAR 3 — IMPROVING CARDIAC PERFORMANCE BY REDUCING PRELOAD (Diuretics)</b>", H2))
story.append(box(
    "<b>Diuretics are FIRST LINE of management in congestive failure.</b><br/>"
    "Action: Reduce blood volume \u2192 \u2193 venous return \u2192 \u2193 preload \u2192 \u2193 work of heart.<br/>"
    "Oral furosemide action starts within <b>20 minutes</b>.",
    C_LTGREEN, C_GREEN
))
story.append(sp(4))

# Diuretic dose table
story.append(gtable(
    ["DRUG","DOSE","ROUTE","NOTES"],
    [["Furosemide (Loop diuretic)","1-3 mg/kg/day oral\n1 mg/kg/dose IV","PO / IV",
      "First line. Activates RAAS. Combine with K-sparing diuretic (NOT K supplements)"],
     ["Spironolactone (K-sparing)","1 mg/kg every 12 hr","PO",
      "Prevents K+/Mg2+ loss. Reduces arrhythmia risk. Synergistic with furosemide"],
     ["Triamterene / Amiloride","K-sparing agents","PO",
      "Alternative K-sparing agents"],],
    [4.5*cm, 3.5*cm, 2*cm, W-10*cm], hbg=C_TEAL
))
story.append(sp(4))
story.append(tipbox(
    "<b>Furosemide + ACE inhibitor = SYNERGISTIC combination:</b> "
    "Furosemide activates RAAS (vasoconstriction + Na/water retention). "
    "ACE inhibitors suppress RAAS. Together they cancel RAAS activation."
))
story.append(sp(5))
story.append(b("<b>Sodium restriction:</b> Recommended but difficult in infants. Use only if CCF uncontrolled by digoxin + diuretics + ACE inhibitors. Advise avoiding chips, pickles."))
story.append(b("<b>Adequate calorie intake:</b> CCF increases calorie requirements - adequate nutrition is essential."))
story.append(sp(8))

# ── Vasodilators
story.append(Paragraph("<b>VASODILATORS</b>", H2))
story.append(Paragraph(
    "Vasodilators counteract excessive compensatory vasoconstriction in CCF, reducing afterload (arteriolar) and preload (venous), improving cardiac output.",
    BODY))
story.append(sp(4))

vd_data = [
    [Paragraph("DRUG", TH), Paragraph("TYPE", TH), Paragraph("DOSE / ROUTE", TH), Paragraph("KEY POINTS", TH)],
    [Paragraph("ACE Inhibitors\n(Captopril, Enalapril)", TCB),
     Paragraph("Arteriolar + venous dilator\nMost useful oral vasodilator", TC),
     Paragraph("Start at 1/4 of calculated dose\nMonitor creatinine + electrolytes\nevery 1-2 weeks for 4-6 weeks", TC),
     Paragraph("Suppress RAAS. Prevent arrhythmias. Avoid in: dehydration, neonates (AKI risk). SE: Cough \u2192 switch to ARB (Losartan)", TC)],
    [Paragraph("ARBs\n(Losartan)", TCB),
     Paragraph("Arteriolar + venous dilator", TC),
     Paragraph("When ACE inhibitor cough is persistent", TC),
     Paragraph("Alternative to ACE inhibitors. Same mechanism without bradykinin-related cough", TC)],
    [Paragraph("Nitrates", TCB),
     Paragraph("Preferential VENODILATOR", TC),
     Paragraph("IV / sublingual", TC),
     Paragraph("Reduce preload. Useful in acute pulmonary edema", TC)],
    [Paragraph("Sodium Nitroprusside", TCB),
     Paragraph("Arterial + venous dilator", TC),
     Paragraph("IV infusion (acute setting)", TC),
     Paragraph("Acts on both venous and arterial systems. Acute MR, AR, postoperative", TC)],
    [Paragraph("Beta Blockers\n(Carvedilol, Metoprolol)", TCB),
     Paragraph("Beta-blocker with vasodilation (carvedilol)", TC),
     Paragraph("Carvedilol: 0.08-0.4 mg/kg/day\n(max 1 mg/kg/day)\nStart low, increase slowly", TC),
     Paragraph("For dilated CMP with tachycardia. Carvedilol preferred (has vasodilatory properties). AVOID CCB in CCF.", TC)],
]
vdtbl = Table(vd_data, colWidths=[3.2*cm, 3.2*cm, 4*cm, W-10.4*cm])
vdtbl.setStyle(TableStyle([
    ("BACKGROUND",(0,0),(-1,0),C_PURPLE),
    ("VALIGN",(0,0),(-1,-1),"TOP"),
    ("GRID",(0,0),(-1,-1),0.4,colors.HexColor("#AAAAAA")),
    ("TOPPADDING",(0,0),(-1,-1),5),
    ("BOTTOMPADDING",(0,0),(-1,-1),5),
    ("LEFTPADDING",(0,0),(-1,-1),5),
    *[("BACKGROUND",(0,i),(-1,i),C_WHITE if i%2==1 else C_LTPURPLE) for i in range(1,7)],
]))
story.append(vdtbl)
story.append(sp(4))
story.append(warnbox(
    "CALCIUM CHANNEL BLOCKERS are CONTRAINDICATED in heart failure "
    "(unless specifically indicated for systemic hypertension)."
))
story.append(sp(8))

# ── PILLAR 4: Correct underlying cause
story.append(Paragraph("<b>PILLAR 4 — CORRECTING THE UNDERLYING CAUSE</b>", H2))
story.append(b("Most important step; has direct bearing on survival"))
story.append(b("CHD: curative or palliative surgery"))
story.append(b("<b>Do not miss:</b> Sustained tachyarrhythmias, coarctation of aorta, anomalous left coronary artery from pulmonary artery (ALCAPA), hypocalcemia"))
story.append(b("Idiopathic DCM = diagnosis of exclusion; rule out all treatable causes first"))
story.append(b("Rheumatic heart disease + CCF: does NOT necessarily mean active carditis. If active carditis excluded and medical management adequate \u2192 consider surgery"))
story.append(b("Uncommon causes to exclude: Upper airway obstruction, hypoglycemia, neonatal asphyxia, hypocalcemia"))
story.append(sp(10))

# ═══════════════════════════════════════════
# 6. MANAGEMENT ALGORITHM
# ═══════════════════════════════════════════
story.append(sec("6.  MANAGEMENT ALGORITHM  (Fig. 16.4)", bg=C_NAVY))
story.append(sp(6))

algo_data = [
    [Paragraph("RISK CATEGORY", TH), Paragraph("CRITERIA", TH), Paragraph("MANAGEMENT", TH)],
    [Paragraph("LOW RISK", sty("LR",fontSize=9,fontName="Helvetica-Bold",textColor=C_GREEN,leading=12)),
     Paragraph("NO hypotension, tachycardia, or respiratory distress\nLV dysfunction present", TC),
     Paragraph("ACE inhibitor\n+/- Beta blockers\nDigoxin in some circumstances\nWean over 2-3 days if improvement", TC)],
    [Paragraph("INTERMEDIATE RISK", sty("IR",fontSize=9,fontName="Helvetica-Bold",textColor=C_ORANGE,leading=12)),
     Paragraph("SOME features of hypotension / tachycardia / respiratory distress", TC),
     Paragraph("Admit to ward\nLoop diuretics\nReassess improvement over 2-3 days\nIf no improvement \u2192 escalate to High Risk", TC)],
    [Paragraph("HIGH RISK", sty("HR",fontSize=9,fontName="Helvetica-Bold",textColor=C_RED,leading=12)),
     Paragraph("YES to hypotension + tachycardia + respiratory distress\nPoor tissue perfusion\n(low urine output, cold extremities, elevated lactate)", TC),
     Paragraph("Admit ICU\nIV furosemide\nInotrope / vasodilator\nConsider positive pressure ventilation\nIf no improvement: Ventilate + epinephrine\nNo improvement \u2192 Advanced circulatory support", TC)],
]
algtbl = Table(algo_data, colWidths=[3.2*cm, 5.5*cm, W-8.7*cm])
algtbl.setStyle(TableStyle([
    ("BACKGROUND",(0,0),(-1,0),C_NAVY),
    ("VALIGN",(0,0),(-1,-1),"TOP"),
    ("GRID",(0,0),(-1,-1),0.4,colors.HexColor("#AAAAAA")),
    ("TOPPADDING",(0,0),(-1,-1),6),
    ("BOTTOMPADDING",(0,0),(-1,-1),6),
    ("LEFTPADDING",(0,0),(-1,-1),6),
    ("BACKGROUND",(0,1),(-1,1),C_LTGREEN),
    ("BACKGROUND",(0,2),(-1,2),C_LTORANGE),
    ("BACKGROUND",(0,3),(-1,3),C_LTRED),
]))
story.append(algtbl)
story.append(sp(5))
story.append(box(
    "<b>Tissue perfusion adequacy check:</b> Urine output + warm extremities + normal lactate = adequate perfusion.",
    C_LTBLUE, C_NAVY
))
story.append(sp(10))

# ═══════════════════════════════════════════
# 7. HIGH YIELD EXAM POINTS
# ═══════════════════════════════════════════
story.append(sec("7.  HIGH YIELD EXAM POINTS  (Must Know)", bg=C_RED))
story.append(sp(6))

hy_left = [
    Paragraph("<b>Pathophysiology MCQs:</b>", BBOLD),
    b("CCF in left-to-right shunt \u2192 at 6-8 weeks"),
    b("HR > 180/min \u2192 precipitates CCF in infancy"),
    b("Normal Hb 5 g/dL \u2192 CCF in normal heart"),
    b("Hb 7-8 g/dL \u2192 CCF in diseased heart"),
    b("Orthopnea equivalent in infant = breathes better held against shoulder"),
    sp(4),
    Paragraph("<b>Signs MCQs:</b>", BBOLD),
    b("S3 gallop = most important cardiac sign of CCF"),
    b("JVE not reliable in infants"),
    b("Pedal edema = late sign in children"),
    b("Facial puffiness = more common than pedal edema in infants"),
    b("Basal rales usually NOT audible in infant CCF"),
]
hy_right = [
    Paragraph("<b>Drug MCQs:</b>", BBOLD),
    b("Diuretics = FIRST LINE treatment"),
    b("ACE inhibitors = most useful ORAL vasodilators"),
    b("Digoxin parenteral dose = 70% of oral dose"),
    b("Furosemide oral action starts in 20 min"),
    b("Levosimendan does NOT cause arrhythmias (unlike milrinone)"),
    b("CCB CONTRAINDICATED in CCF"),
    b("O\u2082 can WORSEN CCF in L\u2192R shunts"),
    b("Nitrates = preferential VENOdilators"),
    sp(4),
    Paragraph("<b>Missed causes to always remember:</b>", BBOLD),
    b("ALCAPA (anomalous left coronary from pulmonary artery)"),
    b("Coarctation of aorta in infant with shunt"),
    b("Sustained tachyarrhythmia mimicking DCM"),
    b("Hypocalcemia, hypoglycemia"),
]
story.append(twocol(hy_left, hy_right))
story.append(sp(10))

# ── FOOTER ──────────────────────────────────
footer = Table([[Paragraph(
    "CCF Notes  |  Essential Pediatrics (Chapter 16)  |  Final Year MBBS Theory Exam",
    sty("FT",fontSize=8,fontName="Helvetica",textColor=C_WHITE,alignment=TA_CENTER)
)]], colWidths=[W])
footer.setStyle(TableStyle([
    ("BACKGROUND",(0,0),(-1,-1),C_NAVY),
    ("TOPPADDING",(0,0),(-1,-1),6),
    ("BOTTOMPADDING",(0,0),(-1,-1),6),
]))
story.append(footer)

doc.build(story)
print(f"PDF created: {OUTPUT}")

Running Command

cd /tmp/workspace/dka-notes && python make_ccf_pdf.py 2>&1

Editing File

~/dka-notes/make_ccf_pdf.py

Successfully replaced 1 instance(s) of the string in '/tmp/workspace/dka-notes/make_ccf_pdf.py'

Running Command

cd /tmp/workspace/dka-notes && python make_ccf_pdf.py 2>&1

Your CCF PDF is ready:

CCF Notes

PDF Document · PDF

What's inside (7 colour-coded sections):

Section	Colour	Content
1. Definition	Navy	Systolic vs diastolic failure explained
2. Etiology	Teal	Causes by age group (infants vs children) + diastolic failure causes table
3. Clinical Features	Orange	Full symptoms table with mechanisms + Signs table (Left/Both/Right sided)
4. Investigations	Teal	CXR, ECG, ECHO, ABG, blood tests
5. Management	Red	All 4 pillars — Reduce cardiac work, Inotropes (digoxin dose table + IV agents dose table), Diuretics, Vasodilators (ACE/ARB/beta-blockers with doses)
6. Management Algorithm	Navy	Risk stratification: Low/Intermediate/High risk with step-by-step management
7. High Yield Exam Points	Red	All exam-favourite MCQ/SAQ points in one box

Key exam points highlighted in the PDF:

Orthopnea equivalent in infants = breathes better held against shoulder
Diuretics = first line, Furosemide acts in 20 min
ACE inhibitor = most useful oral vasodilator
Digoxin parenteral = 70% of oral dose
O₂ contraindicated in left-to-right shunts (worsens CCF)
CCB contraindicated in CCF
Levosimendan does NOT cause arrhythmias
JVE not reliable in small infants

+14 more

Is it enough or I need to add points from textbook to my marrow notes

I can see all 9 images clearly. This is Acute Rheumatic Fever (ARF) - not CCF. Let me compare your Marrow notes (images 6-9) against the textbook (images 1-5).

analyse_media

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