title: Cardiac electrophysiology. Hemiblocks and stopped hearts.
mesh_terms: D002036:Bundle of His / Q000503:physiopathology; D002037:Bundle-Branch Block / Q000503:physiopathology* / Q000628:therapy; D004562:Electrocardiography; D006327:Heart Block / Q000503:physiopathology; D006801:Humans; D010138:Pacemaker, Artificial