IRCT201104106159N1 IRCT 2011-05-11 Kermanshah University of Medical Sciences Efficacy of magnesium prophylaxis on cardiac arrhythmia after by-pass coronary artery operations Efficacy of magnesium prophylaxis on cardiac arrythmia after CABG 2010-12-22 anticipated 178 Complete https://irct.ir/trial/6595 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Other, Purpose: Prevention. N/A Condition 1: cardic arrhythmia. Condition 2: cardic arrhythmia. Condition 3: cardic arrhythmia. Condition 4: cardic arrhythmia. Condition 5: cardic arrhythmia. Intervention 1: 87 patients were given 3 g of magnesium sulphate (MgSO4) [20 ml = 24.32 mEq/L Mg+2] in 100 cc of isotonic 0.9% solution over 2 hours intravenously at the following times: 12 hours prior to the operation, immediately following the operation, and on postoperative days 1, 2, and 3(intervention group). Intervention 2: 87patients were given 100 cc of isotonic 0.9% solution over 2 hours intravenously at the following times: 12 hours prior to the operation, immediately following the operation, and on postoperative days 1, 2, and 3 (placebo group).