Pre‐operative ranitidine

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Abstract
Summary: Ninety‐four patients undergoing elective surgery received ranitidine 100 mg or 50 mg intravenously one hour pre‐operatively, or acted as controls. A gastric aspirate pH in excess of 2.5 one to two hours after administration was achieved in 93% of patients given 100 mg. 88% of those given 50 mg, and 61%, of controls. There were no significant differences in the volumes of gastric aspirate.