[ON THE POST-TACHYCARDIA SYNDROME].
D004562:Electrocardiography; D006801:Humans; D008944:Mitral Valve Insufficiency; D012214:Rheumatic Heart Disease; D013610:Tachycardia; D013614:Tachycardia, Paroxysmal
ELECTROCARDIOGRAPHY; MITRAL VALVE INSUFFICIENCY; RHEUMATIC HEART DISEASE; TACHYCARDIA, PAROXYSMAL
O POSTTAKHIKARDIAL'NOM SINDROME.