Multifocal Coronary Thromboembolism from a Left Ventricular Thrombus

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Abstract
Acute myocardial infarction due to coronary thromboembolism from a left ventricular thrombus has been suspected in patients with dilated or aneurysmal left ventricles, but it has rarely been documented. In previous reports of acute myocardial infarction in the presence of widely patent coronary arteries, the infarction was attributed to thromboembolism1,2 or coronary spasm.3 In another report, coronary-artery thrombosis that was identified by angiography was suggested to have been caused by thromboembolism from an unidentified left ventricular clot.4 We describe a young patient with dilated cardiomyopathy and acute myocardial infarction who underwent emergency coronary catheterization; the procedure revealed embolized clot fragments in multiple branches of the left-coronary-artery system and a large left ventricular mural thrombus.

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