title: Mechanics of left ventricular contraction in chronic severe mitral regurgitation.
mesh_terms: D000293:Adolescent; D000328:Adult; D006328:Cardiac Catheterization; D002648:Child; D002932:Cineangiography; D006339:Heart Rate; D006352:Heart Ventricles / Q000503:physiopathology*; D006439:Hemodynamics; D006801:Humans; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000503:physiopathology*; D009129:Muscle Tonus; D014655:Vascular Resistance