title: Case images: Severe aortic regurgitation due to quadricuspid aortic valve in a septuagenarian.
authors.affiliation: Department of Cardiology, Haseki Training and Research Hospital, İstanbul, Turkey.
authors.forename: Semi
authors.initials: S
authors.lastname: Öztürk
authors.affiliation: Department of Cardiology, Haseki Training and Research Hospital, İstanbul, Turkey.
authors.forename: Mazlum
authors.initials: M
authors.lastname: Şahin
authors.affiliation: Department of Cardiology, Haseki Training and Research Hospital, İstanbul, Turkey.
authors.forename: Gündüz
authors.initials: G
authors.lastname: Durmuş
authors.affiliation: Department of Cardiology, Haseki Training and Research Hospital, İstanbul, Turkey.
authors.forename: Mustafa
authors.initials: M
authors.lastname: Sarı
authors.affiliation: Department of Cardiology, Haseki Training and Research Hospital, İstanbul, Turkey.
authors.forename: Mehmet
authors.initials: M
authors.lastname: Can
mesh_terms: D000368:Aged; D001021:Aortic Valve / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D001022:Aortic Valve Insufficiency / Q000000981:diagnostic imaging / Q000601:surgery; D000082882:Bicuspid Aortic Valve Disease; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging / Q000601:surgery; D006349:Heart Valve Diseases / Q000000981:diagnostic imaging / Q000601:surgery; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D008297:Male