title: How to quantitate valve regurgitation by echo Doppler techniques. British Society of Echocardiography.
authors.affiliation: British Society of Echocardiography, London.
authors.forename: I A
authors.initials: IA
authors.lastname: Simpson
authors.forename: M A
authors.initials: MA
authors.lastname: de Belder
authors.forename: A
authors.initials: A
authors.lastname: Kenny
authors.forename: M
authors.initials: M
authors.lastname: Martin
authors.forename: P
authors.initials: P
authors.lastname: Nihoyannopoulos
mesh_terms: D001022:Aortic Valve Insufficiency / Q000000981:diagnostic imaging; D015150:Echocardiography, Doppler; D006349:Heart Valve Diseases / Q000000981:diagnostic imaging*; D006350:Heart Valve Prosthesis; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000000981:diagnostic imaging; D011475:Prosthesis Failure; D011665:Pulmonary Valve Insufficiency / Q000000981:diagnostic imaging; D014262:Tricuspid Valve Insufficiency / Q000000981:diagnostic imaging