You attend a 48-year-old male who presents with severe central chest pain, nausea, and diaphoresis. His 12-lead ECG shows ST-elevation in leads V1-V6,...

Question

You attend a 48-year-old male who presents with severe central chest pain, nausea, and diaphoresis. His 12-lead ECG shows ST-elevation in leads V1-V6, I, and aVL with reciprocal ST-depression in III and aVF. What area of myocardium is infarcting and which coronary artery is most likely occluded?

Accepted Answer

Extensive anterior and lateral wall - left anterior descending (LAD) artery, likely proximal occlusion

Answer

Posterior wall - circumflex artery

Answer

Septal wall only - diagonal branch

Answer

Right ventricle - right coronary artery

Answer

Inferior wall - right coronary artery

uk-dipimc MCQ (SBA): Anterior STEMI - LAD Occlusion

You attend a 48-year-old male who presents with severe central chest pain, nausea, and diaphoresis. His 12-lead ECG shows ST-elevation in leads V1-V6, I, and aVL with reciprocal ST-depression in III and aVF. What area of myocardium is infarcting and which coronary artery is most likely occluded?