A Giant Left Main Coronary Artery Aneurysm With Fistula to the Pulmonary Artery, Manifested With ST-Segment Elevation Myocardial Infarction

A 53-year-old man presented at the emergency department with sudden onset of chest tightness. An electrocardiogram showed ST-segment elevation in leads I, aVL, and V4 to V6 with a reciprocal change indicating ST-segment elevation myocardial infarction over the lateral region. Laboratory