Bilateral coronary thrombosis in the absence of inducible coronary spasm, thrombocytosis, coagulation abnormalities, or angiographic evidence of coronary artery disease: previously undescribed method of myocardial infarction.

A 32-year-old man presented with symptoms and electrocardiographic changes consistent with acute anterolateral myocardial infarction. Selective coronary angiography revealed thromboses in the infarct related artery as well as in the right coronary artery. This case is unique because bilateral in-situ coronary thrombosis producing acute myocardial infarction was documented in the absence of previously proposed mechanisms.