title: Quadricuspid aortic valve: a case study.
authors: Department of Cardiology, Bichat Hospital, 46 rue Henri Huchard, Paris, France.
authors: Aurélien
authors: A
authors: Seemann
authors: Guillaume
authors: G
authors: Hekimian
authors: Richard
authors: R
authors: Raffoul
authors: Alec
authors: A
authors: Vahanian
authors: David
authors: D
authors: Messika-Zeitoun
mesh_terms: D001021:Aortic Valve / Q000002:abnormalities* / Q000601:surgery; D001022:Aortic Valve Insufficiency / Q000150:complications / Q000000981:diagnostic imaging* / Q000601:surgery; D001026:Coronary Artery Bypass; D004417:Dyspnea; D017548:Echocardiography, Transesophageal; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging* / Q000601:surgery; D006333:Heart Failure / Q000150:complications / Q000000981:diagnostic imaging* / Q000601:surgery; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D008297:Male; D008875:Middle Aged