skip to main content

Inferior STEMI — USMLE Step 3 MCQ

Instant feedback + full explanation. One question, done properly.

EasyEmergency MedicineInferior STEMIUSMLE Step 3

A 62-year-old man comes to the emergency department with crushing chest pain for 45 minutes. ECG shows ST elevations in leads II, III, and aVF. Blood pressure is 132/76 mm Hg. The hospital has percutaneous coronary intervention available within 60 minutes. Which of the following is the most appropriate next step in management?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: C — Activate the catheterization laboratory for primary PCI

ST-elevation myocardial infarction requires immediate reperfusion; primary PCI is preferred when performed promptly.

Reference: ACC/AHA acute coronary syndrome guidance