The genesis of the electrocardiogram of patients with ostium primum defects (ventral atrial septal defects).
D002648:Child; D004562:Electrocardiography; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis*; D006345:Heart Septal Defects, Ventricular; D006801:Humans; D014672:Vectorcardiography