title: Block in the divisions of the bundle branch systems: recognition and significance of bilateral bundle branch block.
mesh_terms: D000200:Action Potentials; D002037:Bundle-Branch Block / Q000145:classification / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D011379:Prognosis; D014672:Vectorcardiography