Acute Myocardial Infarction Due to Prolapse of Covered Stent Into Coronary Artery Aneurysm

A 65-year-old man was admitted for angina pectoris and evidence of anteroseptal myocardial ischemia on perfusion imaging. Angiography revealed a large left anterior descending (LAD) coronary artery aneurysm (CAA) arising 2 mm distal to the bifurcation of a large first diagonal branch ([Figure 1A][1