A 65-year-old woman presents with sudden onset chest pain radiating to the left arm. ECG shows ST elevation in leads II, III, and aVF. Which coronary artery is most likely occluded?
Explanation
ST elevation in leads II, III, and aVF indicates an inferior wall myocardial infarction, which is typically caused by occlusion of the right coronary artery (RCA) in most patients.
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