Evolutionary changes in electrocardiographic patterns in various age groups in Indians.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D001146:Arrhythmia, Sinus / Q000503:physiopathology*; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D006339:Heart Rate; D006801:Humans; D007194:India; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged