title: Case images: Quadricuspid aortic valve with moderate aortic regurgitation demonstrated by three-dimensional transesophageal echocardiography.
authors.affiliation: Department of Cardiology, Kartal Kosuyolu Cardiovascular Training and Research Hospital, İstanbul, Turkey.
authors.forename: Muhittin
authors.initials: M
authors.lastname: Demirel
authors.affiliation: Department of Cardiology, Kartal Kosuyolu Cardiovascular Training and Research Hospital, İstanbul, Turkey.
authors.forename: Emrah
authors.initials: E
authors.lastname: Acar
authors.affiliation: Department of Cardiology, Kartal Kosuyolu Cardiovascular Training and Research Hospital, İstanbul, Turkey.
authors.forename: Cüneyt
authors.initials: C
authors.lastname: Toprak
authors.affiliation: Department of Cardiology, Kartal Kosuyolu Cardiovascular Training and Research Hospital, İstanbul, Turkey.
authors.forename: Abdulrahman
authors.initials: A
authors.lastname: Naser
mesh_terms: D000328:Adult; D001021:Aortic Valve / Q000000981:diagnostic imaging / Q000473:pathology; D001022:Aortic Valve Insufficiency / Q000000981:diagnostic imaging*; D000082882:Bicuspid Aortic Valve Disease; D019560:Echocardiography, Three-Dimensional; D017548:Echocardiography, Transesophageal; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging*; D006349:Heart Valve Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male