title: The electrocardiogram of 6- to 11-year-old children in the United States.
abstract: Amplitude and duration of waves and intervals of electrocardiographic leads I, II, aVR, aVF, V1, and V5 as determined from a nationwide systematic probability sample of 6- to 11-year-old children are presented and discussed.
mesh_terms: D002648:Child; D004562:Electrocardiography / Q000592:standards*; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D011336:Probability; D011786:Quality Control; D014481:United States