CASE 001 · Emergency Department · Intermediate · 8–12 min

The Patient Who Can't Breathe

· Patient arriving
67-year-old male — “My breathing has gotten much worse since yesterday.”

Walks in slowly at 6:40 AM, pausing every few steps. Refuses to lie back on the stretcher.

BP 184/112HR 118RR 30SpO₂ 88% RATemp 98.3°F

You do not get the diagnosis. You get the patient. Reason your way there.

What SHOULD be happening?A — Assess Normal
Left ventricle ejects blood effectivelyAdequate forward perfusionNormal filling pressuresNo pulmonary congestionEffortless breathing at rest

Somewhere in this chain, this patient's physiology has failed. Your job: find where — and how far back it started.

MaldekChin cases are for healthcare education and clinical-reasoning training. They do not replace local protocols, faculty instruction, clinical supervision, or professional judgment.

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