A Case of Ruptured Mitral Valve Aneurysm Complicating Long‐Standing Aortic Regurgitation

A 53‐year‐old man with aortic regurgitation was admitted to our hospital because of fever. A diagnosis of ruptured mitral valve aneurysm was made by Doppler echocardiography. Aortic regurgitant flow along the anterior mitral leaflet may have predisposed to mitral valve endocarditis, aneurysm formation, and its rupture.