Isolated acute anterolateral papillary muscle rupture presenting as a sole manifestation of acute myocardial infarction and mimicking mitral valve vegetation.

We present here a case of an acute myocardial infarction presenting solely as rupture of the head of anterolateral papillary muscle of the mitral valve with an echocardiographic appearance of a mitral valve vegetation. A 61-year-old male patient presented to the hospital with cardiogenic shock. Transesophageal echocardiography revealed normal left ventricular global and regional systolic function with the echocardiographic appearance of a large vegetation attached to the anterior mitral valve leaflet and severe mitral regurgitation.