title: [PHASE ANALYSIS OF HEART CONTRACTION, IN CARDIAC LESIONS AND ITS SIGNIFICANCE IN THE EVALUATION OF WORKING CAPACITY].
mesh_terms: D001024:Aortic Valve Stenosis; D004185:Disability Evaluation; D004562:Electrocardiography; D006349:Heart Valve Diseases; D006801:Humans; D008944:Mitral Valve Insufficiency; D008946:Mitral Valve Stenosis; D010701:Phonocardiography; D011666:Pulmonary Valve Stenosis; D012214:Rheumatic Heart Disease
keywords: AORTIC VALVE STENOSIS; DISABILITY EVALUATION; ELECTROCARDIOGRAPHY; HEART VALVE DISEASES; MITRAL VALVE INSUFFICIENCY; MITRAL VALVE STENOSIS; PHONOCARDIOGRAPHY; PULMONARY VALVE STENOSIS; RHEUMATIC HEART DISEASE
vernacular_title: FAZOVY I ANALIZ SERDECHNOGO SOKRASHCHENIIA PRI POROKAKH SERDTSA I ZNACHENIE EGO DLIA OPREDELENIIA TRUDOSPOSOBNOSTI.