In myocardium reperfusion injury is due to?: (A) Ca, (B) Mg, (C) K, (D) Mn
Answer is A. Ans. (a) Ca(Ref: Gross GJ, Kersten JR, Warltier DC. Mechanisms of postischemic contractile dysfunction. Ann Thorac Surg. 1999; 68:1898-1904.)Mediators of reperfusion injury are: Oxygen Free Radicals, Endothelial Dysfunction and Microvascular Injury, Alterations in Calcium Handling