Orris
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Diagnosis

I cannot diagnose from this photo alone.
The visible skin appears to have a few small, dark spots, but the image is low detail and much of the area is covered, so a reliable diagnosis is not possible. Common possibilities for spots like this include:
  • benign moles (nevi)
  • post-inflammatory marks
  • folliculitis or ingrown-hair related spots
  • less commonly, atypical pigmented lesions
What to do next:
  1. Share a clearer close-up photo in good lighting (no blur, no filter), plus one from a little farther away.
  2. Tell me:
    • how long it has been there
    • whether it is changing in size/color/shape
    • itching, pain, bleeding, crusting, or ulceration
    • single spot or many
  3. Arrange an in-person dermatology exam, especially if any ABCDE warning signs are present:
    • Asymmetry
    • irregular Border
    • uneven Color
    • Diameter >6 mm
    • Evolving over time
Urgent in-person care is needed if it is rapidly growing, bleeding without trauma, very painful, or ulcerated.

Acne or herpes labialis

From this image and location, it is more consistent with acne/folliculitis than herpes labialis.
Why:
  • Herpes labialis usually appears on or right around the lip border as a cluster of painful fluid-filled blisters, then crusts.
  • The visible lesions here look more like small isolated dark papules/spots on skin, not grouped vesicles.
Quick self-check:
  • Herpes more likely if burning/tingling first, then clustered blisters, pain, recurrent in same site.
  • Acne/folliculitis more likely if pimple-like bumps, possible hair follicle center, less burning prodrome, not classic grouped blisters.
What to do now:
  • Do not squeeze or pick.
  • Gentle cleanser twice daily.
  • If acne-like: consider benzoyl peroxide 2.5 to 5% once daily.
  • If you suspect herpes (painful grouped blisters): start an antiviral early via clinician (best within 48 hours).
Get examined promptly if uncertain, and urgently if lesions spread quickly, involve eyes, fever occurs, or you are immunocompromised.

Approach to CKD case

Approach a CKD case in a structured way:

1) Confirm CKD

CKD = kidney abnormalities for >=3 months:
  • eGFR <60 mL/min/1.73 m2, and/or
  • markers of kidney damage (albuminuria, urine sediment abnormalities, imaging changes, pathology, transplant history).

2) Stage and risk stratify (CGA)

  • Cause (diabetes, HTN, glomerular, cystic, obstruction, etc.)
  • G stage by eGFR (G1 to G5)
  • A stage by albuminuria (A1 <30, A2 30 to 300, A3 >300 mg/g UACR)
Use eGFR + UACR together for prognosis and follow-up frequency.

3) Identify etiology

History:
  • DM, HTN duration/control, nephrotoxic drugs (NSAIDs, PPIs, herbal), stones, LUTS/obstruction, autoimmune symptoms, infections, family history.
Exam:
  • BP, volume status, edema, bruits, systemic signs (rash, arthritis, retinopathy).
Tests:
  • Serum creatinine/eGFR trend, electrolytes, bicarbonate, calcium/phosphate, CBC
  • Urinalysis + microscopy
  • UACR (or UPCR)
  • Kidney ultrasound (size, echogenicity, obstruction, cysts)
  • Targeted serology only if indicated (ANA, ANCA, complements, HBV/HCV/HIV, SPEP, etc.)

4) Look for reversible factors / AKI on CKD

  • Dehydration, sepsis, obstruction
  • Recent ACEi/ARB start with large creatinine rise
  • NSAIDs, contrast, other nephrotoxins
  • Urinary retention

5) Core management

  • BP target (often <130/80 if albuminuria, individualized)
  • RAAS blockade (ACEi/ARB) for albuminuric CKD unless contraindicated
  • SGLT2 inhibitor in diabetic CKD and many non-diabetic proteinuric CKD cases (per eGFR threshold)
  • Glycemic control in diabetes (individualized A1c target)
  • Statin (most non-dialysis CKD adults)
  • Salt restriction, weight management, exercise, smoking cessation
  • Avoid nephrotoxins; dose-adjust medications by eGFR
  • Vaccinations (influenza, pneumococcal, hepatitis B where appropriate)

6) Manage complications

  • Anemia of CKD (iron studies, iron replacement +/- ESA when indicated)
  • CKD-MBD (Ca, PO4, PTH, vitamin D trends)
  • Metabolic acidosis (oral bicarbonate when appropriate)
  • Hyperkalemia (dietary and pharmacologic strategies)
  • Fluid overload and resistant HTN

7) Monitor progression

  • Serial creatinine/eGFR, UACR, potassium, bicarbonate, hemoglobin
  • Frequency based on risk (higher with G4/G5, A3, rapid decline)
  • Rapid progression flags: sustained eGFR drop, rising albuminuria, refractory HTN.

8) Nephrology referral (typical triggers)

  • eGFR <30 (G4/G5)
  • A3 albuminuria or heavy proteinuria
  • Rapid eGFR decline
  • Persistent hematuria with proteinuria
  • Resistant HTN, recurrent hyperkalemia/acidosis
  • Uncertain diagnosis or suspected glomerular/systemic disease

9) Prepare for kidney replacement therapy when advanced

  • Early counseling in progressive G4/G5
  • Discuss hemodialysis, peritoneal dialysis, transplant, conservative care
  • Access planning and transplant referral timing
If you want, I can give this as:
  1. a one-page ward checklist, or
  2. an exam-style case presentation template (long case format).

One page ward checklist

CKD One-Page Ward Checklist

1) Confirm CKD and current stage

  • CKD present >=3 months (old labs/records reviewed)
  • Current creatinine, eGFR, trend documented
  • UACR/UPCR available and staged (A1/A2/A3)
  • CGA recorded: Cause, G stage, A stage

2) Focused history (cause + reversibles)

  • Diabetes (duration/control/complications)
  • Hypertension (duration/control)
  • Drug review: NSAIDs, PPIs, contrast, herbal, nephrotoxins
  • Urinary symptoms: LUTS, retention, stones, hematuria, frothy urine
  • Systemic clues: rash, arthralgia, edema, hearing/vision issues, infections
  • Family history (CKD, polycystic kidney disease)
  • Recent AKI triggers: vomiting/diarrhea, sepsis, hypotension, new meds

3) Examination

  • BP (include postural if needed), pulse
  • Volume status: JVP, edema, lung crackles, dehydration signs
  • Weight and fluid balance
  • Signs of systemic disease (rash, arthritis, vasculitic signs)
  • Fundus/retinopathy status if diabetes/HTN

4) Essential investigations

  • U&E/creatinine/eGFR
  • Potassium, bicarbonate, calcium, phosphate
  • CBC +/- iron studies if anemia
  • Urinalysis + microscopy
  • UACR (preferred) or UPCR
  • Renal ultrasound (size, echogenicity, obstruction, cysts)
  • ECG if hyperkalemia risk/signs
  • Targeted serology only if indicated (ANA/ANCA/C3/C4, HBV/HCV/HIV, SPEP, etc.)

5) Rule out AKI on CKD / reversible factors

  • Hypovolemia/sepsis treated
  • Obstruction excluded (bladder scan/catheter/US if indicated)
  • Nephrotoxins stopped
  • Recent ACEi/ARB change reviewed vs creatinine rise
  • Drug doses adjusted to eGFR

6) Core treatment bundle

  • BP target individualized (commonly <130/80 with albuminuria)
  • ACEi/ARB if albuminuric CKD and tolerated
  • SGLT2 inhibitor eligibility checked
  • Diabetes control plan (insulin/orals adjusted to eGFR)
  • Statin indicated/prescribed
  • Salt restriction counseling; renal dietitian referral
  • Smoking cessation, weight/exercise advice
  • Vaccination status reviewed (flu, pneumococcal, hep B as indicated)

7) Complications screen and management

  • Anemia: Hb trend, ferritin/TSAT, iron +/- ESA plan
  • CKD-MBD: Ca/PO4/PTH/vitamin D plan
  • Hyperkalemia plan (diet, meds, binders if needed)
  • Metabolic acidosis plan (bicarbonate if appropriate)
  • Fluid overload/resistant HTN plan (diuretics, sodium/fluid strategy)

8) Monitoring and safety

  • Daily/serial labs frequency set (creatinine, K, bicarbonate)
  • UACR follow-up interval set
  • Strict input/output and daily weight if unstable
  • Clear escalation triggers documented:
    • Rising K
    • Falling urine output
    • Rapid creatinine rise
    • Pulmonary edema/uremic symptoms

9) Referral and discharge planning

  • Nephrology involved or referral criteria checked:
    • eGFR <30, A3 proteinuria, rapid decline, resistant HTN, unclear etiology
  • RRT education considered for progressive G4/G5
  • Discharge meds renal-dosed and nephrotoxin advice documented
  • Follow-up date + labs booked (creatinine/eGFR, K, UACR, Hb as needed)

CKD Ward Round Problem List (fill daily)

  1. CKD etiology/stage: __________
  2. Current renal trajectory: improving / stable / worsening
  3. Major active issues: AKI on CKD / hyperkalemia / overload / acidosis / anemia / MBD
  4. Today’s plan: __________________
  5. Monitoring before next review: __________________

Practice ecgs

Good idea. Use a repeatable ECG drill so every tracing is systematic.

Rapid ECG Practice Framework (exam + ward)

For each ECG, present in this order:
  1. Rate
  2. Rhythm (sinus? regular? P before each QRS?)
  3. Axis
  4. Intervals (PR, QRS, QTc)
  5. P-wave / atrial findings
  6. QRS morphology (BBB, hypertrophy, pathologic Q)
  7. ST segment / T waves
  8. Compare with old ECG (if available)
  9. One-line impression + urgency

10 ECG patterns to master first

  • Normal sinus ECG
  • Atrial fibrillation
  • SVT
  • AV blocks (1st, Mobitz I, Mobitz II, complete heart block)
  • RBBB and LBBB
  • STEMI (anterior/inferior/lateral) and reciprocal changes
  • NSTEMI/ischemic ST depression
  • Hyperkalemia changes
  • Pericarditis
  • Ventricular tachycardia

How to practice efficiently (20 to 30 min/day)

  • 5 ECGs/day
    • 2 rhythm-focused
    • 2 ischemia-focused
    • 1 mixed/unknown
  • Set timer: 3 minutes per ECG
  • Verbally present interpretation in the 9-step format
  • Then check answer and log mistakes
Keep an error log with 3 columns:
  • Missed finding
  • Why missed
  • Rule to avoid repeating

High-yield “don’t miss” checks on every ECG

  • ST elevation in contiguous leads?
  • New LBBB with ischemic symptoms?
  • Wide-complex tachycardia = VT until proven otherwise
  • Bradycardia with hypotension/high-grade block?
  • Hyperkalemia signs (peaked T, PR prolongation, QRS widening)?
  • QTc dangerously prolonged?

If you want, I can start a live ECG quiz now:

I give one case at a time (history + ECG description), you interpret, then I grade and teach key points.

Yes

ECG 1/10
History: 68-year-old with palpitations and mild dyspnea. No chest pain.
ECG findings:
  • Ventricular rate about 140/min
  • Rhythm irregularly irregular
  • No consistent preceding P waves
  • QRS narrow (90 ms)
  • No ST elevation
Your task (use this format):
  1. Rate
  2. Rhythm
  3. Key ECG diagnosis
  4. One immediate management step

Answer

  1. Rate: ~140/min
  2. Rhythm: Irregularly irregular, no discrete P waves, narrow QRS
  3. Key ECG diagnosis: Atrial fibrillation with rapid ventricular response (AF with RVR)
  4. One immediate management step: If hemodynamically stable, start rate control (for example IV diltiazem or a beta-blocker) and assess anticoagulation need.
Ready for ECG 2/10?

Yes

ECG 2/10
History: 58-year-old with central chest pain for 1 hour, sweating.
ECG findings:
  • ST elevation in leads II, III, aVF
  • Reciprocal ST depression in I and aVL
  • Sinus rhythm, 78/min
  • QRS narrow
Your turn:
  1. Rate
  2. Rhythm
  3. Key ECG diagnosis (include territory + likely artery)
  4. One immediate management step
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