title: [Utility of the effective regurgitant orifice for the quantification of regurgitant valve lesions].
authors.forename: Miguel
authors.initials: M
authors.lastname: Rivera
mesh_terms: D001783:Blood Flow Velocity; D015150:Echocardiography, Doppler / Q000379:methods; D006801:Humans; D008943:Mitral Valve / Q000000981:diagnostic imaging*; D008944:Mitral Valve Insufficiency / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000503:physiopathology; D011379:Prognosis; D012984:Software