title: Evaluation of P wave axis in distinguishing anatomical site of atrial septal defect.
mesh_terms: D002648:Child; D004374:Ductus Arteriosus, Patent / Q000150:complications; D004562:Electrocardiography; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000150:complications / Q000175:diagnosis* / Q000473:pathology / Q000503:physiopathology; D006345:Heart Septal Defects, Ventricular / Q000150:complications; D006801:Humans; D008297:Male; D008944:Mitral Valve Insufficiency / Q000150:complications; D011666:Pulmonary Valve Stenosis / Q000150:complications