title: [Congenital quadricuspid aortic valve].
abstract: A case of a 17-year-old asymptomatic man is reported. The patient had no other cardiac congenital abnormalities. Transthoracic echocardiography revealed a rare quadricuspid aortic valve malformation without aortic regurgitation.
authors.affiliation: Centro Cardiovascolare, Azienda Sanitaria Triestina, Trieste. CCV@aasI.sanita.fvg.it
authors.forename: C
authors.initials: C
authors.lastname: Pandullo
authors.forename: S
authors.initials: S
authors.lastname: Scardi
authors.forename: C
authors.initials: C
authors.lastname: Mazzone
authors.forename: F
authors.initials: F
authors.lastname: Fonda
mesh_terms: D000293:Adolescent; D001021:Aortic Valve / Q000002:abnormalities* / Q000000981:diagnostic imaging; D004452:Echocardiography; D006801:Humans; D008297:Male