title: Quadricuspid aortic valve: a rare but important abnormality.
authors.affiliation: Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Linkou and Chang Gung University, Taoyuan, Taiwan Non-Invasive Cardiovascular Imaging Program, Department of Medicine (Cardiovascular Division) and Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
authors.forename: Yu-Hsiang
authors.identifier: http://orcid.org/0000-0002-1046-5309
authors.initials: YH
authors.lastname: Juan
authors.affiliation: Non-Invasive Cardiovascular Imaging Program, Department of Medicine (Cardiovascular Division) and Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA Department of Radiology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangdong, Guangzhou, China.
authors.forename: Hui
authors.initials: H
authors.lastname: Liu
authors.affiliation: Non-Invasive Cardiovascular Imaging Program, Department of Medicine (Cardiovascular Division) and Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
authors.forename: Alfonso H
authors.initials: AH
authors.lastname: Waller
authors.affiliation: Non-Invasive Cardiovascular Imaging Program, Department of Medicine (Cardiovascular Division) and Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
authors.forename: Amil M
authors.initials: AM
authors.lastname: Shah
authors.affiliation: Non-Invasive Cardiovascular Imaging Program, Department of Medicine (Cardiovascular Division) and Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
authors.forename: Ron
authors.initials: R
authors.lastname: Blankstein
mesh_terms: D001021:Aortic Valve / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000473:pathology / Q000503:physiopathology; D000082882:Bicuspid Aortic Valve Disease; D004452:Echocardiography; D006330:Heart Defects, Congenital / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology / Q000503:physiopathology; D006337:Heart Murmurs / Q000000981:diagnostic imaging / Q000209:etiology*; D006349:Heart Valve Diseases / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology / Q000503:physiopathology; D006801:Humans; D009200:Myocardial Contraction; D057832:Watchful Waiting