title: [Assessment characteristics of cardiac contractile function in mitral valve defects].
mesh_terms: D004452:Echocardiography; D005080:Exercise Test; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000503:physiopathology*; D008946:Mitral Valve Stenosis / Q000503:physiopathology*; D009200:Myocardial Contraction; D010807:Physical Endurance
vernacular_title: Osobennosti otsenki sokratitel'noĭ funktsii serdtsa pri porokakh mitral'nogo klapana.