title: Participation of the free ventricular walls in the mechanism of production of bundle branch block. Their influence on the morphology of unipolar epicardial tracings.
mesh_terms: D002037:Bundle-Branch Block; D000075224:Cardiac Conduction System Disease; D004562:Electrocardiography; D006327:Heart Block / Q000209:etiology*; D006352:Heart Ventricles; D006801:Humans
keywords: ELECTROCARDIOGRAPHY; HEART BLOCK/etiology