[An unusual case of ischemic mitral valve]. / Un insolito caso di valvola mitrale ischemica.

Mechanisms leading to mitral regurgitation can be multiple and have different etiologies. We present the case of severe mitral insufficiency due to posterior papillary muscle rupture in a young man, with exertional dyspnea, but permanently asymptomatic for chest pain and without clinical and laboratory signs of myocardial ischemia at the time of our evaluation.