title: Bifascicular block--an electrophysiologic profile.
mesh_terms: D000328:Adult; D000368:Aged; D002036:Bundle of His / Q000503:physiopathology; D002037:Bundle-Branch Block / Q000175:diagnosis* / Q000628:therapy; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial