title: [ANALYSIS OF THE DURATION OF THE SYSTOLIC PHASE AND THE ACTIVE STAGE OF RHEUMATISM IN CHILDREN WITH HEART DEFECTS].
mesh_terms: D000293:Adolescent; D001145:Arrhythmias, Cardiac; D002648:Child; D004562:Electrocardiography; D006330:Heart Defects, Congenital; D006801:Humans; D007223:Infant; D008944:Mitral Valve Insufficiency; D008946:Mitral Valve Stenosis; D010701:Phonocardiography; D012216:Rheumatic Diseases; D012214:Rheumatic Heart Disease; D013610:Tachycardia; D013614:Tachycardia, Paroxysmal
keywords: ADOLESCENCE; ARRHYTHMIA; CHILD; ELECTROCARDIOGRAPHY; ELECTROSPHYGMOGRAPHY; INFANT; MITRAL VALVE INSUFFICIENCY; MITRAL VALVE STENOSIS; PHONOCARDIOGRAPHY; RHEUMATIC HEART DISEASE; TACHYCARDIA, PAROXYSMAL
vernacular_title: ANALIZ DLITEL'NOSTI FAZ SERDECHNOI SISTOLY V AKTIVNO I FAZE REVMATIZMA U DETE I S POROKAMI SERDTSA.