title: What exactly is 2+ to 3+ mitral regurgitation?
authors.forename: B A
authors.initials: BA
authors.lastname: Carabello
mesh_terms: D015150:Echocardiography, Doppler; D006350:Heart Valve Prosthesis; D006801:Humans; D008943:Mitral Valve; D008944:Mitral Valve Insufficiency / Q000000981:diagnostic imaging* / Q000209:etiology; D011475:Prosthesis Failure