A COMPARISON OF ATRIO-VENTRICULAR CONDUCTION  IN NORMAL CHILDREN AND IN PATIENTS WITH RHEUMATIC FEVER, GLOMERULONEPHRITIS, AND ACUTE  FEBRILE ILLNESSES. A QUANTITATIVE STUDY WITH DETERMINATION OF THE P-R INDEX.
D000293:Adolescent; D001171:Arthritis, Juvenile; D002648:Child; D004562:Electrocardiography; D005921:Glomerulonephritis; D006329:Heart Conduction System; D006339:Heart Rate; D006801:Humans; D012213:Rheumatic Fever; D012214:Rheumatic Heart Disease
ADOLESCENCE; ARTHRITIS, JUVENILE RHEUMATOID; CHILD; ELECTROCARDIOGRAPHY; GLOMERULONEPHRITIS; HEART CONDUCTION SYSTEM; RHEUMATIC HEART DISEASE