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  • Title: Intravenous infusion of magnesium sulphate after acute myocardial infarction: effects on arrhythmias and mortality.
    Author: Smith LF, Heagerty AM, Bing RF, Barnett DB.
    Journal: Int J Cardiol; 1986 Aug; 12(2):175-83. PubMed ID: 2427458.
    Abstract:
    Two hundred patients with acute myocardial infarction were entered into a randomised double-blind trial where they received either intravenous magnesium sulphate or saline for 24 hours after admission to hospital. The incidence of ventricular arrhythmias necessitating treatment was reduced by more than half in the group receiving magnesium sulphate. There were two deaths in the group receiving magnesium sulphate and seven receiving saline placebo. Total cardiac events were significantly reduced in the magnesium treated group. These reductions cannot be attributed to differences in risk factors or therapy between the two groups, either before or during the period of study. These results suggest that magnesium administration reduces the incidence of serious tachyarrhythmias and death after acute myocardial infarction and that this simple regime warrants further study.
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