title: Natural history of combined right bundle branch block and left anterior hemiblock (bilateral bundle branch block).
mesh_terms: D002037:Bundle-Branch Block / Q000209:etiology*; D003325:Coronary Care Units; D004562:Electrocardiography; D006327:Heart Block / Q000209:etiology* / Q000628:therapy; D006333:Heart Failure / Q000150:complications; D006801:Humans; D009203:Myocardial Infarction / Q000150:complications*; D010138:Pacemaker, Artificial; D014672:Vectorcardiography