Vectorcardiogram versus electrocardiogram in the diagnosis of left ventricular hypertrophy in apparently normal children.
D006332:Cardiomegaly / Q000175:diagnosis*; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005069:Evaluation Studies as Topic; D006352:Heart Ventricles; D006801:Humans; D014672:Vectorcardiography