Failure of magnesium to protect isolated cardiomyocytes from effects of hypoxia or metabolic poisoning

Background: MgSO 4 appears to reduce infarct size in animal models of myocardial infarction‐reperfusion, but only if given before reperfusion. The mechanisms underlying this effect have not been established, nor has the discrepancy between these results and the lack of efficacy in the Fourth Interna...

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