ANALYSIS OF THE RSR' COMPLEX IN LEAD V1.
D000293:Adolescent; D000375:Aging; D002648:Child; D004562:Electrocardiography; D006330:Heart Defects, Congenital; D006801:Humans; D007223:Infant; D007231:Infant, Newborn
ADOLESCENCE; AGING; CHILD; ELECTROCARDIOGRAPHY; HEART DEFECTS, CONGENITAL; INFANT; INFANT, NEWBORN