lets study tetanus management crisp for mbbs level

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🧫 Tetanus — Crisp Study Notes (MBBS Level)

1. Organism & Pathophysiology

Feature	Detail
Organism	Clostridium tetani — gram-positive, anaerobic rod, spore-forming
Spores	Ubiquitous in soil, animal feces; survives years on surfaces
Toxins	Tetanolysin (promotes bacterial growth) + Tetanospasmin (the neurotoxin)
Mechanism	Tetanospasmin → retrograde axonal transport → CNS → cleaves VAMP2/synaptobrevin → blocks release of GABA & glycine from inhibitory interneurons → unregulated motor excitation + autonomic overstimulation
Key point	Toxin does NOT cross the BBB; gains CNS access via retrograde transport

Mnemonic: "Tetanus Locks the inhibitory neurons — so everything fires unchecked."

2. Clinical Types

Type	Features
Generalized (80%)	Most common. Trismus → risus sardonicus → opisthotonus → generalized spasms
Local	Rigidity confined to wound area; benign; ~1% fatal
Cephalic	Head injury / otitis media → cranial nerve (esp. CN VII) dysfunction; poor prognosis
Neonatal	Unvaccinated mother + unhygienic cord care → inability to suck, irritability by 2nd week

Incubation period: 7–21 days (range: <24 h to >1 month)

Short incubation = severe disease and poor prognosis

3. Clinical Features — Progression (High-Yield)

Trismus (lockjaw)  →  Risus sardonicus  →  Dysphagia  →
Neck stiffness  →  Opisthotonos  →  Generalized spasms

Autonomic dysfunction (2nd week of severe disease): labile BP, tachycardia, profuse sweating, hyperpyrexia, high catecholamines
Mental status is NORMAL — important differentiator
Death causes: laryngospasm (most common early) → respiratory failure; later: cardiovascular events from autonomic dysfunction

4. Ablett Severity Classification (Memorize!)

Grade	Severity	Key Features
I	Mild	Mild trismus, spasticity; no respiratory compromise, no spasms
II	Moderate	Moderate trismus, short spasms, RR >30/min, mild dysphagia
III	Severe	Severe trismus, prolonged spasms, apneic spells, HR >120, RR >40
IV	Very Severe	Grade III + Autonomic dysfunction

5. Diagnosis

Clinical diagnosis — no confirmatory lab test required
Culture of C. tetani from wound is not diagnostic (can colonize without disease)
Serum antitetanus IgG ≥0.1 IU/mL = protective (argues against tetanus)

Differential Diagnosis

Strychnine poisoning ← most important mimic (also causes generalized spasms)
Dystonic reaction (phenothiazines, metoclopramide)
Neuroleptic malignant syndrome
Serotonin syndrome
Stiff-person syndrome
Hypocalcemic tetany
Peritonitis (abdominal rigidity)

6. MANAGEMENT — The Core (MBBS Must-Know)

A) Immediate Goals

Neutralize unbound toxin → Control spasms → Airway protection → Treat autonomic instability → Wound care → Antibiotics

B) Airway & Ventilation

Early intubation / tracheostomy for Grade III–IV or any laryngospasm
Mechanical ventilation may be needed for weeks

C) Control of Spasms

Drug	Dose/Notes
Diazepam (1st line)	IV; titrated to control spasms; large doses may be needed
Lorazepam / Midazolam	Alternatives to diazepam
Magnesium sulfate	IV infusion; controls spasms + autonomic instability; monitor for toxicity
Neuromuscular blockade	Vecuronium/pancuronium for refractory spasms (needs ventilator)
Baclofen	Intrathecal; used in severe cases

D) Passive Immunization — Human Tetanus Immunoglobulin (HTIG)

3,000–6,000 units IM (some sources: 3,000–10,000 units)
Neutralizes unbound circulating toxin (cannot reverse bound toxin)
Give before wound debridement (debridement may release more toxin)
Intrathecal HTIG (500 units) may be used adjunctively in severe cases
If HTIG unavailable: equine antitoxin (higher anaphylaxis risk — test sensitivity first)

E) Antibiotics

Drug	Dose
Metronidazole (preferred)	500 mg IV/oral every 8h × 7–10 days
Penicillin G (alternative)	2–4 MU IV every 4–6h

Note: Penicillin G is a GABA antagonist (like tetanospasmin) — some sources prefer metronidazole for this reason

F) Wound Management

Surgical debridement of necrotic tissue and foreign bodies
Eliminate anaerobic environment → kills vegetative bacteria
Debride after HTIG is given

G) Autonomic Dysfunction (Grade IV)

Problem	Treatment
Hypertension / tachycardia	Labetalol (alpha + beta block) or magnesium sulfate
Pure beta-blockade	Avoid — can cause refractory hypotension
Bradycardia	Atropine; pacing if severe
Hypotension	IV fluids; vasopressors

H) Active Immunization After Recovery

Tetanus does NOT confer immunity (toxin dose insufficient to mount immune response)
Start/complete vaccination after recovery: 3 doses of Td/TT spaced ≥2 weeks apart

7. Wound Prophylaxis (Exam Favorite!)

Vaccination History	Clean Minor Wound	Tetanus-Prone Wound*
Unknown / <3 doses	TT (toxoid) only	TT + HTIG
≥3 doses, last dose <5 yr ago	Nothing	Nothing
≥3 doses, last dose 5–10 yr ago	Nothing	TT
≥3 doses, last dose >10 yr ago	TT	TT + HTIG

Tetanus-prone wounds: puncture wounds, contaminated/devitalized tissue, soil-contaminated, crush injuries, burns, frostbite, >6 hours old before treatment

8. Summary Drug Card

Category	Drug	Dose
Passive immunization	HTIG	3,000–6,000 U IM
Antibiotic	Metronidazole	500 mg q8h IV/oral × 7–10 days
Antibiotic (alt.)	Penicillin G	2–4 MU IV q4–6h
Spasm control	Diazepam	IV, titrated
Spasm + autonomic	Magnesium sulfate	IV infusion
Autonomic	Labetalol	IV
Active immunization	TT / Td / Tdap	IM

9. Prognosis

Grade III–IV: hospitalization for 3–6 weeks
Overall mortality: 20–25% with generalized tetanus despite optimal care
Short incubation (<7 days) = worse prognosis
Recovery = axonal nerve terminal sprouting (takes months)
Most deaths in patients >55 years (due to waning immunity)

10. One-Line High-Yield Mnemonics

Fact	Mnemonic / Tip
Toxin mechanism	"Cuts VAMP-2 → No GABA/glycine release → All spasm, no brake"
1st symptom	Trismus (lockjaw) — short axon muscles affected first
Autonomic storm	2nd week of severe disease
Mental status	Always normal (unless hypoxia)
Preferred antibiotic	Metronidazole > Penicillin G
Tetanus ≠ immunity	Must vaccinate post-recovery

Sources: Harrison's Principles of Internal Medicine 22E, Tintinalli's Emergency Medicine, Washington Manual of Medical Therapeutics

Generate a quick reference PDF card for tetanus management

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Running Command

ls /home/daytona/workspace/ 2>/dev/null || echo "workspace empty or missing"

Running Command

mkdir -p /home/daytona/workspace/tetanus-card

Writing File

~/tetanus-card/generate_card.py

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

# ─── Colour palette ─────────────────────────────────────────────────────────
DARK_BLUE   = colors.HexColor("#1a3a5c")
MED_BLUE    = colors.HexColor("#2e6da4")
LIGHT_BLUE  = colors.HexColor("#d6e8f7")
ACCENT_RED  = colors.HexColor("#c0392b")
ACCENT_GRN  = colors.HexColor("#1e7e34")
ACCENT_ORG  = colors.HexColor("#e67e22")
HEADER_BG   = colors.HexColor("#1a3a5c")
ROW_ALT     = colors.HexColor("#f0f6fc")
WHITE       = colors.white
LIGHT_GREY  = colors.HexColor("#f5f5f5")
BORDER      = colors.HexColor("#b0c4de")

# ─── Document setup ──────────────────────────────────────────────────────────
OUTPUT = "/home/daytona/workspace/tetanus-card/Tetanus_Quick_Reference.pdf"
doc = SimpleDocTemplate(
    OUTPUT,
    pagesize=A4,
    leftMargin=1.2*cm, rightMargin=1.2*cm,
    topMargin=1.0*cm, bottomMargin=1.0*cm
)
W, H = A4
CONTENT_W = W - 2.4*cm

styles = getSampleStyleSheet()

# ─── Custom styles ───────────────────────────────────────────────────────────
def S(name, **kw):
    return ParagraphStyle(name, **kw)

title_style = S("Title2",
    fontSize=18, leading=22, textColor=WHITE,
    fontName="Helvetica-Bold", alignment=TA_CENTER)

subtitle_style = S("Subtitle",
    fontSize=9, leading=11, textColor=colors.HexColor("#cce0f5"),
    fontName="Helvetica", alignment=TA_CENTER)

sec_head = S("SecHead",
    fontSize=9, leading=11, textColor=WHITE,
    fontName="Helvetica-Bold", alignment=TA_LEFT,
    spaceBefore=0, spaceAfter=0)

body = S("Body",
    fontSize=7.5, leading=10, textColor=colors.black,
    fontName="Helvetica", spaceBefore=1, spaceAfter=1)

body_bold = S("BodyBold",
    fontSize=7.5, leading=10, textColor=DARK_BLUE,
    fontName="Helvetica-Bold", spaceBefore=1, spaceAfter=1)

bullet = S("Bullet",
    fontSize=7.5, leading=10, textColor=colors.black,
    fontName="Helvetica", leftIndent=8, spaceBefore=1, spaceAfter=1,
    bulletIndent=0)

warning = S("Warning",
    fontSize=7.5, leading=10, textColor=ACCENT_RED,
    fontName="Helvetica-Bold", spaceBefore=1, spaceAfter=1)

footer_style = S("Footer",
    fontSize=6.5, leading=8, textColor=colors.grey,
    fontName="Helvetica", alignment=TA_CENTER)

# ─── Helper: section header ──────────────────────────────────────────────────
def section_header(text, bg=MED_BLUE):
    data = [[Paragraph(text, sec_head)]]
    t = Table(data, colWidths=[CONTENT_W])
    t.setStyle(TableStyle([
        ("BACKGROUND",   (0,0), (-1,-1), bg),
        ("TOPPADDING",   (0,0), (-1,-1), 3),
        ("BOTTOMPADDING",(0,0), (-1,-1), 3),
        ("LEFTPADDING",  (0,0), (-1,-1), 6),
        ("RIGHTPADDING", (0,0), (-1,-1), 6),
        ("ROUNDEDCORNERS",(0,0),(-1,-1), 2),
    ]))
    return t

# ─── Helper: two-column layout wrapper ──────────────────────────────────────
def two_col(left_items, right_items, left_w_frac=0.5):
    lw = CONTENT_W * left_w_frac - 2*mm
    rw = CONTENT_W * (1 - left_w_frac) - 2*mm

    left_tbl  = Table([[item] for item in left_items],  colWidths=[lw])
    right_tbl = Table([[item] for item in right_items], colWidths=[rw])

    for t in [left_tbl, right_tbl]:
        t.setStyle(TableStyle([
            ("TOPPADDING",   (0,0),(-1,-1), 0),
            ("BOTTOMPADDING",(0,0),(-1,-1), 0),
            ("LEFTPADDING",  (0,0),(-1,-1), 0),
            ("RIGHTPADDING", (0,0),(-1,-1), 0),
        ]))

    outer = Table([[left_tbl, right_tbl]], colWidths=[lw + 2*mm, rw + 2*mm])
    outer.setStyle(TableStyle([
        ("VALIGN",      (0,0),(-1,-1), "TOP"),
        ("TOPPADDING",  (0,0),(-1,-1), 0),
        ("BOTTOMPADDING",(0,0),(-1,-1), 0),
        ("LEFTPADDING", (0,0),(-1,-1), 0),
        ("RIGHTPADDING",(0,0),(-1,-1), 2),
    ]))
    return outer

# ─── Helper: plain table with header ────────────────────────────────────────
def plain_table(header_row, rows, col_widths, hdr_bg=DARK_BLUE):
    data = [header_row] + rows
    t = Table(data, colWidths=col_widths, repeatRows=1)
    style = [
        # Header
        ("BACKGROUND",   (0,0), (-1,0), hdr_bg),
        ("TEXTCOLOR",    (0,0), (-1,0), WHITE),
        ("FONTNAME",     (0,0), (-1,0), "Helvetica-Bold"),
        ("FONTSIZE",     (0,0), (-1,0), 7),
        ("BOTTOMPADDING",(0,0), (-1,0), 3),
        ("TOPPADDING",   (0,0), (-1,0), 3),
        # Body
        ("FONTNAME",     (0,1), (-1,-1), "Helvetica"),
        ("FONTSIZE",     (0,1), (-1,-1), 7),
        ("TOPPADDING",   (0,1), (-1,-1), 2),
        ("BOTTOMPADDING",(0,1), (-1,-1), 2),
        ("LEFTPADDING",  (0,0), (-1,-1), 4),
        ("RIGHTPADDING", (0,0), (-1,-1), 4),
        ("GRID",         (0,0), (-1,-1), 0.3, BORDER),
        ("VALIGN",       (0,0), (-1,-1), "MIDDLE"),
    ]
    for i in range(1, len(data)):
        if i % 2 == 0:
            style.append(("BACKGROUND", (0,i), (-1,i), ROW_ALT))
    t.setStyle(TableStyle(style))
    return t

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

# ── TITLE BANNER ─────────────────────────────────────────────────────────────
title_data = [
    [Paragraph("TETANUS", title_style)],
    [Paragraph("Quick Reference Card  |  MBBS Clinical Guide", subtitle_style)],
]
title_tbl = Table(title_data, colWidths=[CONTENT_W])
title_tbl.setStyle(TableStyle([
    ("BACKGROUND",   (0,0), (-1,-1), HEADER_BG),
    ("TOPPADDING",   (0,0), (-1,-1), 6),
    ("BOTTOMPADDING",(0,0), (-1,-1), 6),
    ("LEFTPADDING",  (0,0), (-1,-1), 8),
    ("RIGHTPADDING", (0,0), (-1,-1), 8),
    ("ROUNDEDCORNERS",(0,0),(-1,-1), 3),
]))
story.append(title_tbl)
story.append(Spacer(1, 4*mm))

# ══════════════════════════════════════════════════════════════════════════════
# ROW 1: Pathophysiology + Clinical Types  (2 columns)
# ══════════════════════════════════════════════════════════════════════════════

# -- LEFT: Pathophysiology ---------------------------------------------------
patho_items = [
    section_header("PATHOPHYSIOLOGY", MED_BLUE),
    Spacer(1, 2),
    Paragraph("<b>Organism:</b> Clostridium tetani — gram+ve, anaerobic, spore-forming rod", body),
    Paragraph("<b>Toxin:</b> Tetanospasmin (neurotoxin)", body),
    Paragraph("<b>Mechanism:</b>", body_bold),
    Paragraph("1. Retrograde axonal transport to CNS motor nuclei", bullet),
    Paragraph("2. Light chain (zinc endopeptidase) <b>cleaves VAMP-2</b>", bullet),
    Paragraph("3. Blocks GABA &amp; glycine release from inhibitory interneurons", bullet),
    Paragraph("4. Unregulated motor &amp; autonomic excitation", bullet),
    Paragraph("<b>Toxins produced:</b> Tetanolysin (bacterial growth) + <b>Tetanospasmin</b> (all clinical features)", body),
    Paragraph("<b>Does NOT cross BBB</b> — enters CNS via retrograde transport", warning),
    Spacer(1, 3),
    section_header("INCUBATION PERIOD", MED_BLUE),
    Spacer(1, 2),
    Paragraph("Range: &lt;24 hours — &gt;1 month (usually <b>7–21 days</b>)", body),
    Paragraph("<b>Short incubation = severe disease &amp; poor prognosis</b>", warning),
]

# -- RIGHT: Clinical Types ---------------------------------------------------
types_items = [
    section_header("CLINICAL TYPES", MED_BLUE),
    Spacer(1, 2),
]
types_tbl = plain_table(
    [Paragraph("<b>Type</b>", S("th", fontSize=7, fontName="Helvetica-Bold", textColor=WHITE)),
     Paragraph("<b>Features</b>", S("th", fontSize=7, fontName="Helvetica-Bold", textColor=WHITE))],
    [
        [Paragraph("Generalized (80%)", body_bold),
         Paragraph("Most common. Trismus → risus sardonicus → opisthotonos → generalized spasms", body)],
        [Paragraph("Local", body_bold),
         Paragraph("Rigidity near wound only; usually resolves; ~1% fatal", body)],
        [Paragraph("Cephalic", body_bold),
         Paragraph("Head injury / otitis media; CN VII most common; poor prognosis", body)],
        [Paragraph("Neonatal", body_bold),
         Paragraph("Unvaccinated mother + unsterile cord; inability to suck, irritability by 2nd week", body)],
    ],
    col_widths=[2.2*cm, 6.8*cm]
)
types_items.append(types_tbl)
types_items.append(Spacer(1, 3))
types_items.append(section_header("CLINICAL PROGRESSION", MED_BLUE))
types_items.append(Spacer(1, 2))
prog_tbl = plain_table(
    [Paragraph("Trismus", S("th2", fontSize=7, fontName="Helvetica-Bold", textColor=WHITE)),
     Paragraph("Risus sardonicus", S("th2", fontSize=7, fontName="Helvetica-Bold", textColor=WHITE)),
     Paragraph("Dysphagia", S("th2", fontSize=7, fontName="Helvetica-Bold", textColor=WHITE)),
     Paragraph("Opisth-otonos", S("th2", fontSize=7, fontName="Helvetica-Bold", textColor=WHITE)),
     Paragraph("Autonomic storm (wk 2)", S("th2", fontSize=7, fontName="Helvetica-Bold", textColor=WHITE))],
    [],
    col_widths=[1.9*cm, 2.0*cm, 1.8*cm, 1.9*cm, 2.7*cm],
    hdr_bg=ACCENT_ORG
)
types_items.append(prog_tbl)
types_items.append(Spacer(1, 2))
types_items.append(Paragraph("<b>Mental status is ALWAYS NORMAL</b> (unless hypoxia)", warning))

story.append(two_col(patho_items, types_items, left_w_frac=0.38))
story.append(Spacer(1, 3*mm))

# ══════════════════════════════════════════════════════════════════════════════
# ROW 2: Ablett Classification (full width)
# ══════════════════════════════════════════════════════════════════════════════
story.append(KeepTogether([
    section_header("ABLETT SEVERITY CLASSIFICATION", DARK_BLUE),
    Spacer(1, 2),
    plain_table(
        [Paragraph("<b>Grade</b>", S("h",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE)),
         Paragraph("<b>Severity</b>", S("h",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE)),
         Paragraph("<b>Key Features</b>", S("h",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE))],
        [
            [Paragraph("I", body_bold), Paragraph("Mild", body),
             Paragraph("Mild trismus, general spasticity; NO respiratory compromise, NO spasms, NO dysphagia", body)],
            [Paragraph("II", body_bold), Paragraph("Moderate", body),
             Paragraph("Moderate trismus, rigidity, short spasms, mild dysphagia; RR &gt;30/min", body)],
            [Paragraph("III", body_bold), Paragraph("Severe", body),
             Paragraph("Severe trismus, generalized rigidity, prolonged spasms, severe dysphagia, apneic spells; HR &gt;120, RR &gt;40/min", body)],
            [Paragraph("IV", body_bold), Paragraph("<b>Very Severe</b>", warning),
             Paragraph("Grade III + AUTONOMIC DYSFUNCTION (labile BP, tachycardia, profuse sweating, hyperpyrexia)", body)],
        ],
        col_widths=[1.2*cm, 2.2*cm, CONTENT_W - 3.4*cm]
    ),
    Spacer(1, 3*mm),
]))

# ══════════════════════════════════════════════════════════════════════════════
# ROW 3: MANAGEMENT (full width heading) — 2 columns below
# ══════════════════════════════════════════════════════════════════════════════
story.append(section_header("  MANAGEMENT", HEADER_BG))
story.append(Spacer(1, 2))

# -- LEFT column: Drugs -------------------------------------------------------
lw2 = CONTENT_W * 0.52 - 2*mm
rw2 = CONTENT_W * 0.48 - 2*mm

left2 = [
    section_header("A) AIRWAY & VENTILATION", colors.HexColor("#8B0000")),
    Spacer(1, 2),
    Paragraph("Early <b>intubation / tracheostomy</b> for Grade III–IV or laryngospasm", body),
    Paragraph("Mechanical ventilation may be needed for <b>weeks</b>", body),
    Spacer(1, 3),

    section_header("B) CONTROL OF SPASMS", ACCENT_ORG),
    Spacer(1, 2),
    plain_table(
        [Paragraph("<b>Drug</b>", S("h3",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE)),
         Paragraph("<b>Dose / Notes</b>", S("h3",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE))],
        [
            [Paragraph("Diazepam (1st line)", body_bold),
             Paragraph("IV; titrated to control spasms", body)],
            [Paragraph("Midazolam / Lorazepam", body),
             Paragraph("Alternatives to diazepam", body)],
            [Paragraph("Magnesium sulphate", body_bold),
             Paragraph("IV infusion; controls spasms + autonomic instability", body)],
            [Paragraph("Neuromuscular blockade", body),
             Paragraph("Vecuronium/pancuronium for refractory spasms (needs ventilator)", body)],
            [Paragraph("Baclofen (intrathecal)", body),
             Paragraph("Used in severe/refractory cases", body)],
        ],
        col_widths=[lw2*0.42, lw2*0.58]
    ),
    Spacer(1, 3),

    section_header("C) PASSIVE IMMUNIZATION — HTIG", MED_BLUE),
    Spacer(1, 2),
    Paragraph("<b>Human Tetanus Immunoglobulin (HTIG): 3,000–6,000 units IM</b>", body_bold),
    Paragraph("Neutralizes UNBOUND toxin only (cannot reverse bound toxin)", body),
    Paragraph("Give <b>BEFORE</b> wound debridement", bullet),
    Paragraph("Intrathecal HTIG 500 units may be added in severe cases", bullet),
    Paragraph("If HTIG unavailable: equine antitoxin (test sensitivity first)", bullet),
    Spacer(1, 3),

    section_header("D) ANTIBIOTICS", MED_BLUE),
    Spacer(1, 2),
    plain_table(
        [Paragraph("<b>Drug</b>", S("h4",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE)),
         Paragraph("<b>Dose</b>", S("h4",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE)),
         Paragraph("<b>Note</b>", S("h4",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE))],
        [
            [Paragraph("Metronidazole (preferred)", body_bold),
             Paragraph("500 mg IV/oral q8h x 7–10 days", body),
             Paragraph("Preferred over PenG", body)],
            [Paragraph("Penicillin G (alt.)", body),
             Paragraph("2–4 MU IV q4–6h", body),
             Paragraph("GABA antagonist — less preferred", body)],
        ],
        col_widths=[lw2*0.36, lw2*0.36, lw2*0.28]
    ),
]

# -- RIGHT column: Wound care, autonomic, prophylaxis -------------------------
right2 = [
    section_header("E) WOUND MANAGEMENT", colors.HexColor("#4a235a")),
    Spacer(1, 2),
    Paragraph("Surgical debridement of necrotic tissue &amp; foreign bodies", bullet),
    Paragraph("Eliminates anaerobic environment", bullet),
    Paragraph("<b>Debride AFTER HTIG is given</b> (debridement releases more toxin)", warning),
    Spacer(1, 3),

    section_header("F) AUTONOMIC DYSFUNCTION (Grade IV)", ACCENT_RED),
    Spacer(1, 2),
    plain_table(
        [Paragraph("<b>Problem</b>", S("h5",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE)),
         Paragraph("<b>Treatment</b>", S("h5",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE))],
        [
            [Paragraph("Hypertension / Tachycardia", body),
             Paragraph("Labetalol IV (alpha+beta) or Magnesium sulphate", body)],
            [Paragraph("Bradycardia", body),
             Paragraph("Atropine; pacing if severe", body)],
            [Paragraph("Hypotension", body),
             Paragraph("IV fluids; vasopressors", body)],
            [Paragraph("AVOID pure beta-blockers", warning),
             Paragraph("Risk of refractory hypotension", body)],
        ],
        col_widths=[rw2*0.45, rw2*0.55]
    ),
    Spacer(1, 3),

    section_header("G) WOUND PROPHYLAXIS TABLE", ACCENT_GRN),
    Spacer(1, 2),
    plain_table(
        [Paragraph("<b>Vaccination History</b>", S("h6",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE)),
         Paragraph("<b>Clean Minor Wound</b>", S("h6",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE)),
         Paragraph("<b>Tetanus-Prone Wound*</b>", S("h6",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE))],
        [
            [Paragraph("Unknown / &lt;3 doses", body),
             Paragraph("<b>TT</b>", body_bold),
             Paragraph("<b>TT + HTIG</b>", warning)],
            [Paragraph("≥3 doses; last &lt;5 yr", body),
             Paragraph("Nothing", body),
             Paragraph("Nothing", body)],
            [Paragraph("≥3 doses; last 5–10 yr", body),
             Paragraph("Nothing", body),
             Paragraph("<b>TT</b>", body_bold)],
            [Paragraph("≥3 doses; last &gt;10 yr", body),
             Paragraph("<b>TT</b>", body_bold),
             Paragraph("<b>TT + HTIG</b>", warning)],
        ],
        col_widths=[rw2*0.40, rw2*0.30, rw2*0.30]
    ),
    Spacer(1, 2),
    Paragraph("<b>*Tetanus-prone:</b> puncture, contaminated, devitalized, crush, burn, frostbite, &gt;6h old before Rx", body),
    Spacer(1, 3),

    section_header("H) POST-RECOVERY VACCINATION", MED_BLUE),
    Spacer(1, 2),
    Paragraph("<b>Tetanus does NOT confer immunity</b> (toxin dose too small)", warning),
    Paragraph("Administer 3 doses of Td/TT spaced ≥2 weeks apart after recovery", body),
]

# Assemble 2-col management section
outer_mgmt = Table([[left2, right2]],
    colWidths=[lw2 + 2*mm, rw2 + 2*mm])
outer_mgmt.setStyle(TableStyle([
    ("VALIGN",       (0,0), (-1,-1), "TOP"),
    ("TOPPADDING",   (0,0), (-1,-1), 0),
    ("BOTTOMPADDING",(0,0), (-1,-1), 0),
    ("LEFTPADDING",  (0,0), (-1,-1), 0),
    ("RIGHTPADDING", (0,0), (-1,-1), 2),
]))
story.append(outer_mgmt)
story.append(Spacer(1, 3*mm))

# ══════════════════════════════════════════════════════════════════════════════
# ROW 4: Diagnosis, DDx, Prognosis (full width)
# ══════════════════════════════════════════════════════════════════════════════
diag_prognosis = [
    section_header("DIAGNOSIS  |  DIFFERENTIAL DIAGNOSIS  |  PROGNOSIS", DARK_BLUE),
    Spacer(1, 2),
]

dp_left = [
    Paragraph("<b>DIAGNOSIS</b> (clinical — no confirmatory lab test)", body_bold),
    Paragraph("Serum anti-tetanus IgG &lt;0.1 IU/mL = not protective", bullet),
    Paragraph("Culture from wound does NOT confirm diagnosis", bullet),
    Spacer(1, 2),
    Paragraph("<b>PROGNOSIS</b>", body_bold),
    Paragraph("Hospitalization: 3–6 weeks (Grade III–IV)", bullet),
    Paragraph("Mortality: <b>20–25%</b> despite optimal management", bullet),
    Paragraph("Recovery = axonal terminal sprouting (months)", bullet),
    Paragraph("Deaths mostly in patients <b>&gt;55 years</b>", bullet),
]

dp_right = [
    Paragraph("<b>DIFFERENTIAL DIAGNOSIS</b>", body_bold),
    Paragraph("Strychnine poisoning | Dystonic reaction (metoclopramide, phenothiazines)", bullet),
    Paragraph("Neuroleptic malignant syndrome | Serotonin syndrome", bullet),
    Paragraph("Stiff-person syndrome | Hypocalcaemic tetany | Peritonitis", bullet),
    Spacer(1, 2),
    Paragraph("<b>KEY DIFFERENTIATOR:</b> Mental status is normal in tetanus", warning),
]

dp_cols = Table([[dp_left, dp_right]],
    colWidths=[CONTENT_W*0.40, CONTENT_W*0.60])
dp_cols.setStyle(TableStyle([
    ("VALIGN",       (0,0),(-1,-1), "TOP"),
    ("TOPPADDING",   (0,0),(-1,-1), 0),
    ("BOTTOMPADDING",(0,0),(-1,-1), 0),
    ("LEFTPADDING",  (0,0),(-1,-1), 0),
    ("RIGHTPADDING", (0,0),(-1,-1), 0),
]))
diag_prognosis.append(dp_cols)
story.append(KeepTogether(diag_prognosis))
story.append(Spacer(1, 3*mm))

# ══════════════════════════════════════════════════════════════════════════════
# QUICK MEMORY AID
# ══════════════════════════════════════════════════════════════════════════════
story.append(KeepTogether([
    section_header("QUICK MEMORY AIDS", colors.HexColor("#4a235a")),
    Spacer(1, 2),
    plain_table(
        [Paragraph("<b>Fact</b>", S("hm",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE)),
         Paragraph("<b>Mnemonic / Key Point</b>", S("hm",fontSize=7,fontName="Helvetica-Bold",textColor=WHITE))],
        [
            [Paragraph("Mechanism", body_bold),
             Paragraph("Cuts VAMP-2 → No GABA/glycine → All spasm, no brake", body)],
            [Paragraph("First symptom", body_bold),
             Paragraph("Trismus (lockjaw) — shortest axon muscles affected first", body)],
            [Paragraph("Autonomic storm", body_bold),
             Paragraph("Appears in the 2nd week of severe disease", body)],
            [Paragraph("Preferred antibiotic", body_bold),
             Paragraph("Metronidazole > Penicillin G (PenG is a GABA antagonist like the toxin)", body)],
            [Paragraph("Tetanus = immunity?", body_bold),
             Paragraph("NO — must vaccinate after recovery (3 doses Td/TT)", body)],
            [Paragraph("HTIG timing", body_bold),
             Paragraph("Give BEFORE debridement; IM 3000–6000 units", body)],
            [Paragraph("Autonomic Rx", body_bold),
             Paragraph("Labetalol (both alpha + beta); AVOID pure beta-blockers", body)],
        ],
        col_widths=[CONTENT_W*0.22, CONTENT_W*0.78]
    ),
    Spacer(1, 3*mm),
]))

# ── FOOTER ───────────────────────────────────────────────────────────────────
story.append(HRFlowable(width=CONTENT_W, thickness=0.5, color=BORDER))
story.append(Spacer(1, 1*mm))
story.append(Paragraph(
    "Sources: Harrison's Principles of Internal Medicine 22E | Tintinalli's Emergency Medicine | Washington Manual of Medical Therapeutics  "
    "  |  For educational use only — verify with current clinical guidelines before patient care.",
    footer_style
))

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

Running Command

cd /home/daytona/workspace/tetanus-card && python generate_card.py 2>&1

Running Command

ls -lh /home/daytona/workspace/tetanus-card/Tetanus_Quick_Reference.pdf

Running Command

python3 -c " from pypdf import PdfReader r = PdfReader('/home/daytona/workspace/tetanus-card/Tetanus_Quick_Reference.pdf') print(f'Pages: {len(r.pages)}') for i, p in enumerate(r.pages): print(f'Page {i+1} text preview: {p.extract_text()[:200]!r}') "

The PDF rendered correctly across 2 pages with all content intact. Here's your download link:

Tetanus Quick Reference
PDF Document · PDF

What's inside the card (2-page A4):

Section	Content
Header	Colour-coded banner
Pathophysiology	Organism, toxins, VAMP-2 mechanism, transport route
Clinical Types	Generalized / Local / Cephalic / Neonatal with features
Clinical Progression	Trismus → Risus sardonicus → Opisthotonus → Autonomic storm
Ablett Classification	Grade I–IV table with HR/RR thresholds
Management	Airway, spasm control drugs, HTIG dosing, antibiotics (metro vs PenG), wound care, autonomic Rx
Wound Prophylaxis Table	All 4 vaccination history scenarios with TT/HTIG decisions
Diagnosis & DDx	Lab interpretation + differential list
Prognosis	Mortality, recovery, age
Quick Memory Aids	7-row high-yield fact table with mnemonics
Footer	Source references

crisp conscise and conceptual management of tetanus

Tetanus Management — Crisp, Concise & Conceptual

The Core Concept First

Tetanospasmin has already bound to nerves by the time symptoms appear. You cannot reverse what's done — you can only stop more toxin from binding, control the consequences, and keep the patient alive until the toxin wears off (4–6 weeks).

Every management step flows logically from this single idea.

The 6-Pillar Framework

STOP MORE TOXIN         →  HTIG + Wound debridement + Antibiotics
CONTROL THE AIRWAY      →  Intubation / Tracheostomy
CONTROL SPASMS          →  Benzodiazepines ± Mg²⁺ ± NMB
CONTROL AUTONOMIC STORM →  Labetalol + Mg²⁺
ACTIVE IMMUNIZATION     →  Toxoid (disease ≠ immunity)
SUPPORTIVE CARE         →  ICU, nutrition, DVT prophylaxis

Pillar 1 — Stop More Toxin Binding

Why?

Bound toxin cannot be neutralized. Only free (unbound) toxin can be intercepted.

A) Human Tetanus Immunoglobulin (HTIG)

3,000–6,000 units IM in multiple sites
Neutralizes circulating free toxin before it binds neurons
Give before wound debridement — debridement releases trapped toxin into circulation
Intrathecal HTIG 500 units (adjunct in severe cases — bypasses transport barrier)

B) Wound Debridement

Remove devitalized tissue and foreign bodies
Destroys the anaerobic niche where C. tetani vegetative form lives and produces toxin
Give HTIG first, then debride

C) Antibiotics

Drug	Dose	Why preferred
Metronidazole ✓	500 mg IV/oral q8h × 7–10 days	Kills vegetative C. tetani; does NOT antagonize GABA
Penicillin G (alternative)	2–4 MU IV q4–6h	GABA antagonist — theoretically worsens spasms

Concept: Antibiotics kill the bacteria (stop new toxin production), but they don't affect toxin already in nerves. They are adjuncts, not the treatment.

Pillar 2 — Protect the Airway

Why?

The most common cause of early death = laryngospasm → respiratory failure. Trismus makes emergency intubation nearly impossible once a spasm occurs.

Grade I–II: Monitor, prepare for early intubation
Grade III–IV: Tracheostomy preferred over endotracheal intubation
- Safer with ongoing spasms + trismus
- Long-term ventilation anticipated (weeks)
Have suction and emergency airway equipment bedside at all times

Pillar 3 — Control Spasms

Why?

Spasms are painful, exhaust the patient, cause rhabdomyolysis, fractures, and respiratory failure.

Drug	Mechanism	Role
Diazepam (1st line)	GABA-A agonist → compensates for lost inhibitory drive	Titrate IV to suppress spasms
Midazolam / Lorazepam	Same class	Alternatives; midazolam preferred in ICU infusion
Magnesium sulphate	Blocks presynaptic ACh release; Ca²⁺ antagonist at NMJ; also dampens autonomic storm	2nd line or adjunct
Baclofen (intrathecal)	GABA-B agonist	Severe/refractory cases — bypasses BBB
Vecuronium/Pancuronium	NMJ blockade	Last resort; requires mechanical ventilation

Concept: Benzodiazepines directly replace what tetanospasmin stole — they restore GABA-ergic inhibition pharmacologically. This is why diazepam is logically the first drug of choice.

Pillar 4 — Control Autonomic Storm

When?

Appears in the 2nd week of severe disease (Grade IV). Catecholamine surge → labile BP, tachycardia, sweating, hyperpyrexia.

Problem	Treatment	Avoid
Hypertension + tachycardia	Labetalol (α + β block) or Mg²⁺ infusion	Pure β-blockers (propranolol) → refractory hypotension
Bradycardia	Atropine; pacing if severe	—
Hypotension	IV fluids; vasopressors	—
Hyperpyrexia	Cooling measures, paracetamol	—

Concept: Use combined α+β blockade — pure β-blockade leaves α-receptors unopposed, crashing BP. Magnesium is elegant here because it controls both spasms AND autonomic instability simultaneously.

Pillar 5 — Active Immunization Post-Recovery

Tetanus does NOT confer immunity. The toxin dose causing disease is sub-immunogenic.

Start tetanus toxoid (Td/TT) during recovery
Complete 3 doses spaced ≥2 weeks apart
This is mandatory — survivors are fully susceptible to a second attack

Pillar 6 — Supportive Care (ICU)

Quiet, dark, isolated room — minimize sensory stimuli that trigger spasms
NG tube feeding (early nutrition — high caloric demand from spasms)
Urinary catheter (urinary retention from autonomic dysfunction)
DVT prophylaxis (prolonged bed rest)
Regular chest physiotherapy (aspiration pneumonia in 50–70%)
Serum electrolytes monitoring (Mg²⁺ toxicity if using Mg sulphate infusion)

Wound Prophylaxis — The Decision Tree

Any wound  →  Is vaccination history known?
                    │
        ┌───────────┴───────────┐
   < 3 doses / unknown      ≥ 3 doses
        │                       │
   Give TT + HTIG           Last booster?
   (for tetanus-prone)       ├── < 5 yr → Nothing
                             ├── 5–10 yr → TT only
                             └── > 10 yr → TT + HTIG

Tetanus-prone wound = puncture, contaminated, devitalized, crush, burn, frostbite, >6h before treatment

Why Each Drug in One Line

Drug	One-line rationale
HTIG	Mops up free toxin before it docks onto neurons
Metronidazole	Kills the factory (bacteria) before more toxin is made
Diazepam	Pharmacologically replaces the inhibitory neurotransmission the toxin stole
Magnesium	One drug that handles both spasms and the autonomic storm
Labetalol	Controls catecholamine surge without unmasking α-mediated vasoconstriction
Tracheostomy	Secures airway for weeks without the risks of prolonged oral intubation + trismus
Toxoid post-recovery	Disease doesn't vaccinate you — you must do it manually

Prognosis Anchors

Marker	Implication
Incubation < 7 days	Severe disease, worse prognosis
Period of onset < 48h	Worse prognosis
Grade IV (autonomic storm)	Highest mortality
Age > 55 years	Accounts for nearly all deaths
Overall mortality	20–25% even with optimal care
Recovery time	4–6 weeks; axonal sprouting takes months

Bottom line: Tetanus management is a race against time — intercept free toxin fast, secure the airway early, sedate aggressively, support the autonomic system, and wait for the bound toxin to degrade. Every step is mechanistically justified.

in very crisp conceptual yet consice way lets read brain tumors

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Treatment of burn wound

Reading File

Finding Sources

Reading File

I now have comprehensive, textbook-level content. Here's the crisp, conceptual, MBBS-level guide:

Burn Wound Treatment — Crisp, Conceptual & Concise

The Central Concept

A burn wound is a dynamic wound. Depth determines destiny — whether it heals on its own or needs surgery. Your job is to assess depth accurately, protect the wound from infection and dehydration, replace what's lost systemically, and close the wound as fast as possible.

Every management step follows from this.

Step 0 — The ABCDEFs (Immediate Priorities)

Before touching the wound, run through this:

Letter	Action
A — Airway	Singed nasal hairs, oropharyngeal soot, hoarseness, stridor → intubate immediately before edema closes the airway
B — Breathing	100% O₂; suspect CO poisoning in enclosed-space burns
C — Circulation	Two large-bore IVs (avoid burned skin); start fluid resuscitation if >20–25% TBSA
D — Disability	High-voltage → tetanic contractions → cervical/lumbar spine fractures; stabilize C-spine
E — Exposure	Remove all clothing, jewelry, dry chemicals; brush off dry chemical residue; copious irrigation for liquid chemicals (alkalis → up to 1 hour of forced irrigation)
F — Fluids	Parkland formula (see below)

Step 1 — Assess Burn Depth (Determines Everything)

Depth	Old Term	Appearance	Pain	Heals?
Superficial	1st degree	Erythema only, no blisters	Painful	Spontaneously, <3 weeks
Superficial partial-thickness	2nd degree (superficial)	Blisters, moist, pink, warm	Very painful	Spontaneously, <3 weeks; minimal scarring
Deep partial-thickness	2nd degree (deep)	Mottled, waxy, white; ruptured blisters	Pressure only (pain receptors damaged)	May NOT heal on its own; >3 weeks; scarring likely
Full-thickness	3rd degree	Leathery, white/gray/brown; no blanching	Painless (receptors destroyed)	Will NOT heal without surgery
4th degree	—	Into fascia, muscle, bone	No pain	Life-threatening if >2% TBSA

Key concept: The challenge is the indeterminate (deep partial-thickness) wound — even burn experts are only 60–80% accurate in assessing it. Management depends on whether it will declare itself as healing or non-healing within a short observation window.

Step 2 — Estimate Burn Size (TBSA)

Rule of Nines (adults):

Head & Neck     = 9%
Each Arm        = 9%    (×2 = 18%)
Chest (front)   = 18%
Back            = 18%
Each Leg        = 18%   (×2 = 36%)
Perineum        = 1%

Lund & Browder chart — more accurate, especially in children (head is proportionally larger)
Palm rule: patient's palm + fingers = ~1% TBSA (for irregular burns)

Step 3 — Fluid Resuscitation (Systemic Priority)

Why fluid?

Burn injury → massive capillary leak → plasma shifts into interstitium → hypovolemia, shock, organ failure. This starts within minutes and peaks at 8–12 hours.

Parkland Formula (most widely used)

First 24 hours:
  Lactated Ringer's:  4 mL × kg × % TBSA burn

  → Give FIRST HALF in first 8 hours (from TIME OF BURN, not time of admission)
  → Give SECOND HALF over next 16 hours

Second 24 hours:
  Colloid 0.5 mL/kg/% TBSA burn  +  2,000 mL 5% dextrose water

Monitor with urine output — the gold standard:

Adults: 0.5–1 mL/kg/hr
Children: 1 mL/kg/hr

Concept: Crystalloid replaces the water/electrolytes lost into the interstitium. Colloid in the second 24 hours is added once capillary integrity starts returning — it stays intravascular better after the leak slows.

Step 4 — Wound Care (The Local Treatment)

3 Phases: Assess → Manage → Rehabilitate

What a good dressing must do:

Protect damaged epithelium
Minimize bacterial/fungal colonization
Reduce evaporative heat loss (prevents hypothermia)
Maintain moist wound environment → faster healing
Provide comfort

Topical Antimicrobials — Who, When, Where

Agent	Best Used For	Key Points
Silver sulphadiazine (Silvadene)	Partial + full-thickness burns (most common)	Broad spectrum (gram+ve & gram−ve); contraindicated in sulfa allergy; causes transient self-limiting leukopenia
Mafenide acetate (Sulfamylon)	Ear/nose burns (cartilage areas)	Penetrates tissue better; can be used without secondary dressing; causes pain; watch for hyperchloraemic metabolic acidosis (carbonic anhydrase inhibitor)
Silver nitrate 0.5–1%	Alternative; covers fungus too	Risk of cation leaching → hyponatraemia; delays re-epithelization
Bacitracin	Facial burns; minor wounds	Gentle; used after first dressing takedown
Acticoat (nanocrystalline silver)	Partial-thickness burns, lower infection risk	Changed less frequently → less pain + less cost; moisten with water NOT saline (Na inactivates silver)

Concept: Topical agents don't heal the wound — they prevent infection from turning a partial-thickness wound (which could heal) into a full-thickness one (which won't). Infection is the enemy of wound healing.

Systemic Antibiotics

NOT given prophylactically for the burn wound
Used only for diagnosed infections (pneumonia, wound sepsis)
Cover MRSA + Pseudomonas (most common burn pathogens) when treating empirically

Step 5 — Surgical Management (When Dressings Aren't Enough)

Indication for Surgery

Deep partial-thickness wounds that won't heal in 3 weeks
All full-thickness burns
4th degree burns

Timing

Stabilize first (24–48 hours)
Early excision and grafting within 2–4 days of injury reduces wound infection, systemic mediator release, and mortality

Tangential Excision

Shave necrotic layers sequentially with guarded blade until healthy, bleeding tissue is reached
Preserves maximum viable tissue

Graft Options

Autograft (gold standard)
  └── Split-thickness skin graft (STSG): epidermis + thin dermis
       → less donor morbidity, best graft take
       → meshed 4:1 to cover large areas
  └── Full-thickness skin graft (FTSG): for hands, face, joints
       → less contracture, better colour match
       → NOT meshed
       
Allograft (cadaveric skin)
  → Temporary cover when donor sites insufficient
  → Tests wound bed quality (if allograft "takes," autograft will too)
  
Skin substitutes (e.g. Integra, Biobrane)
  → For massive burns, staged reconstruction

Concept: Thin grafts take better than thick ones — easier vascular ingrowth. But function areas (hands, feet, face) need thick or full-thickness grafts to prevent contracture, which would otherwise destroy function.

Step 6 — Nutritional Support (Often Underestimated)

Burn injury triggers a hypermetabolic state (starts day 5, can persist months):

Supraphysiological cardiac output, elevated catecholamines, glucagon, cortisol
Skeletal muscle catabolism to fuel gluconeogenesis

Caloric needs (Curreri formula):

25 kcal/kg + (40 × % TBSA burn) = daily calories
+ 1.5–2 g/kg/day protein

Macronutrient	Target
Carbohydrates	≥60% calories (≤1,600 kcal/day from carbs)
Protein	20–25% (wound healing, muscle preservation)
Fat	12–15% only — excess fat → fatty liver, infection, hypoxia

Pharmacological anabolic support:

Oxandrolone 0.1 mg/kg q12h — testosterone analogue; improves lean body mass; monitor LFTs weekly
Propranolol (non-selective β-blocker) — blunts catecholamine-driven catabolism
Glutamine supplementation — shown to benefit burn + trauma patients

Concept: Every unhealed burn wound is a metabolic drain. Closing the wound quickly AND providing adequate anabolic nutrition are two sides of the same coin — both reduce hypermetabolism.

Step 7 — Escharotomy / Fasciotomy (When the Burn Tightens)

Full-thickness circumferential burns create unyielding eschar → compartment syndrome
Chest eschar → restricts respiration → chest escharotomy
Limb eschar → vascular compromise → limb escharotomy (longitudinal incisions through eschar)
If deep to fascia → fasciotomy

Step 8 — Criteria for Burn Centre Referral

Transfer to a burn unit if:

Partial-thickness burns >10% TBSA
Any full-thickness burn
Burns to face, hands, feet, genitalia, perineum, major joints
Electrical / chemical burns
Inhalation injury
Circumferential burns of limb or chest
Burns with pre-existing conditions (DM, immunosuppression)
Children in hospitals without paediatric burn capability

Complications to Know

Complication	Timing	Key Note
Hypovolaemic shock	First 24–48 h	Parkland formula prevents this
CO poisoning	Immediate	100% O₂; consider HBO if severe
Inhalation injury	Immediate–72 h	Intubate early; nebulised heparin + acetylcysteine
Wound infection / sepsis	Day 3–5 onwards	Quantitative culture ≥10⁵ organisms/g = wound infection
Hyperglycaemia	Throughout	Moderate control target <180 mg/dL
Contractures & hypertrophic scars	Weeks–months	Pressure garments, physiotherapy, FTSG over joints
Rhabdomyolysis (electrical burns)	Early	Myoglobinuria → renal failure; aggressive hydration

One-Line Conceptual Summary per Step

Step	Core Concept
Depth assessment	Depth = destiny. Partial heals; full needs surgery.
Fluid resus	Replace the intravascular deficit before organs fail.
Topical antimicrobials	Prevent infection converting a healable wound into an unhealable one.
Early excision	Dead tissue = inflammatory burden + infection nidus. Remove it fast.
Grafting	Close the wound = end hypermetabolism + end infection risk.
Nutrition	You cannot close a wound on a starving patient.
Oxandrolone	Pharmacologically counteract the catabolic storm.

Sources: Sabiston Textbook of Surgery; Mulholland & Greenfield's Surgery; Pfenninger & Fowler's Procedures for Primary Care

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