Prophylactic Lidocaine in MI Outcome=death Favors treatment Relative risk (Cl) Cumulative 0.5 15 Year #RCTs Subjects Recommendations Yes No Not mention 19702 304 1974 1454 1976 1686 1978 12 1986 1985 14 8412 2 1988 15 8745 1989-ist meta-analysis published