Magnesium Sulfate as an Adjuvant to Propofol During Consious Sedation in Colonoscopy

40 mg/kg magnesium sulfate diluted with normal saline to a total volume of 100 ml was administered for 15 min.plus ,An initial bolus dose of 1 mg/kg propofol was administered over 30 is followed by a continuous intravenous infusion of propofol at a maintenance dose of 2 mg/kg/h

An initial bolus dose of 1 mg/kg propofol was administered over 30 is followed by a continuous intravenous infusion of propofol at a maintenance dose of 2 mg/kg/h