title: Acute aortic regurgitation due to spontaneous rupture of a bicuspid aortic valve: detection by echocardiography.
abstract: A 42-year-old man was admitted with acute severe aortic regurgitation. There were no signs of a systemic infection. M-mode and two-dimensional echocardiography revealed bicuspid aortic valve and echocardiographic features consistent with aortic leaflet rupture. The diagnosis was confirmed at surgery. This report illustrates that spontaneous rupture of a bicuspid aortic valve should be considered in acute aortic regurgitation without infective endocarditis.
mesh_terms: D000208:Acute Disease; D000328:Adult; D001021:Aortic Valve / Q000002:abnormalities*; D001022:Aortic Valve Insufficiency / Q000175:diagnosis / Q000209:etiology*; D004452:Echocardiography; D006801:Humans; D008297:Male; D012422:Rupture, Spontaneous