title: Quadricuspid Aortic Valve.
authors.affiliation: Houston Methodist DeBakey Heart & Vascular Center, Houston Methodist Hospital, Houston, Texas.
authors.forename: Robert C
authors.initials: RC
authors.lastname: Schutt
authors.affiliation: Houston Methodist DeBakey Heart & Vascular Center, Houston Methodist Hospital, Houston, Texas.
authors.forename: Dimitrios
authors.initials: D
authors.lastname: Maragiannis
authors.affiliation: Houston Methodist DeBakey Heart & Vascular Center, Houston Methodist Hospital, Houston, Texas.
authors.forename: Gopi
authors.initials: G
authors.lastname: Shah
mesh_terms: D001021:Aortic Valve / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000601:surgery; D019560:Echocardiography, Three-Dimensional; D006330:Heart Defects, Congenital / Q000145:classification* / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D011379:Prognosis