title: Letter: On prophylactic pacing.
mesh_terms: D000818:Animals; D002036:Bundle of His / Q000503:physiopathology; D002037:Bundle-Branch Block / Q000209:etiology / Q000517:prevention & control*; D003365:Costs and Cost Analysis; D006801:Humans; D009203:Myocardial Infarction / Q000150:complications* / Q000503:physiopathology; D010138:Pacemaker, Artificial