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Figure 2: Blood magnesium level of patients. T0: Baseline reading, T1: 15 min after induction, T2: Before cardiopulmonary bypass, T3: 30 min after cardiopulmonary bypass, T4: On ICU admission, T5: 6th h after ICU admission, T6: 12th h after ICU admission, T7: 24th h after ICU admission. Group M: Magnesium sulfate group, Group C: Control group. ICU: Intensive Care Unit

Figure 2: Blood magnesium level of patients. T0: Baseline reading, T1: 15 min after induction, T2: Before cardiopulmonary bypass, T3: 30 min after cardiopulmonary bypass, T4: On ICU admission, T5: 6<sup>th</sup> h after ICU admission, T6: 12<sup>th</sup> h after ICU admission, T7: 24<sup>th</sup> h after ICU admission. Group M: Magnesium sulfate group, Group C: Control group. ICU: Intensive Care Unit