The normal electrocardiogram in the infant and child.
D000293:Adolescent; D001775:Blood Circulation; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D005318:Fetal Heart / Q000502:physiology; D006321:Heart / Q000033:anatomy & histology / Q000254:growth & development / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D014672:Vectorcardiography; D016276:Ventricular Function