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ST-elevation myocardial infarction — ABFM Board MCQ

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

HardCardiovascularST-elevation myocardial infarctionABFM Board

A 58-year-old man with diabetes and hypertension presents with 90 minutes of substernal pressure radiating to the left arm. ECG shows 2-mm ST elevation in leads II, III, and aVF with reciprocal ST depression in I and aVL. Blood pressure is 102/64 mm Hg and oxygen saturation is 96%. Which of the following is the most appropriate next step?

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

Reveal the answer and explanation

Correct answer: A — Immediate reperfusion pathway activation and aspirin

Inferior STEMI with ongoing ischemic symptoms requires immediate reperfusion pathway activation and antiplatelet therapy unless contraindicated. Stress testing and outpatient evaluation are inappropriate in acute STEMI.

Reference: ACC/AHA Acute Coronary Syndrome Guideline