title: Aortic regurgitation caused by rupture of a well-balanced fibrous strand suspending a degenerative tricuspid aortic valve.
mesh_terms: D001022:Aortic Valve Insufficiency / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery; D004452:Echocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D012422:Rupture, Spontaneous / Q000150:complications; D014261:Tricuspid Valve / Q000473:pathology*