title: Mechanism and significance of widened QRS complexes during complete atrioventricular block in acute inferior myocardial infarction.
mesh_terms: D000368:Aged; D002037:Bundle-Branch Block / Q000209:etiology / Q000401:mortality / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D005500:Follow-Up Studies; D006327:Heart Block / Q000209:etiology* / Q000401:mortality / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications* / Q000401:mortality / Q000503:physiopathology; D012770:Shock, Cardiogenic / Q000209:etiology