title: How to measure severity of mitral regurgitation.
authors.affiliation: Baylor Heart and Vascular Institute, Dallas, TX 75226, USA. paulgr@baylorhealth.edu
authors.forename: P A
authors.initials: PA
authors.lastname: Grayburn
mesh_terms: D001783:Blood Flow Velocity / Q000502:physiology; D018618:Echocardiography, Doppler, Color / Q000379:methods; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000175:diagnosis* / Q000503:physiopathology; D011667:Pulmonary Veins / Q000503:physiopathology