title: [Epicardial electrocardiogram with direct electrodes].
mesh_terms: D006332:Cardiomegaly / Q000175:diagnosis; D004562:Electrocardiography / Q000295:instrumentation*; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis; D006801:Humans; D010496:Pericardium
vernacular_title: Estudio del electrocardiograma epicárdico con electrodo directo.