Office electrocardiography in general pediatrics. I. Introductory principles.
D000293:Adolescent; D000367:Age Factors; D001145:Arrhythmias, Cardiac / Q000175:diagnosis; D002648:Child; D002675:Child, Preschool; D003933:Diagnosis; D004562:Electrocardiography; D005260:Female; D005500:Follow-Up Studies; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D006973:Hypertension / Q000175:diagnosis; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008722:Methods; D011660:Pulmonary Heart Disease / Q000175:diagnosis; D014882:Water-Electrolyte Balance