title: Echocardiographic diagnosis of quadricuspid aortic valve.
abstract: Isolated quadricuspid aortic valve is a rare congenital anomaly. We present a case diagnosed on cross-sectional echocardiography. To the best of our knowledge, this is the first case report on echocardiographically diagnosed quadricuspid aortic valve in Singapore.
authors.affiliation: Cardiac Department, National University Hospital, Singapore.
authors.forename: Y T
authors.initials: YT
authors.lastname: Lim
authors.forename: M H
authors.initials: MH
authors.lastname: Choo
authors.forename: L H
authors.initials: LH
authors.lastname: Ling
mesh_terms: D001021:Aortic Valve / Q000002:abnormalities* / Q000000981:diagnostic imaging; D001022:Aortic Valve Insufficiency / Q000000981:diagnostic imaging*; D001783:Blood Flow Velocity / Q000502:physiology; D004452:Echocardiography; D015150:Echocardiography, Doppler; D006801:Humans; D008297:Male; D008875:Middle Aged