title: THE SIGNIFICANCE OF THE POSTERIORLY ORIENTED QRS SE LOOP IN CONGENITAL HEART DISEASE. A POTENTIAL SOURCE OF ERROR IN THE ELECTROCARDIOGRAPHIC DIAGNOSIS OF VENTRICULAR HYPERTROPHY.
mesh_terms: D006332:Cardiomegaly; D018376:Cardiovascular Abnormalities; D004562:Electrocardiography; D006330:Heart Defects, Congenital; D006801:Humans
keywords: ELECTROCARDIOGRAPHY; HEART DEFECTS, CONGENITAL; HEART ENLARGEMENT