兹报告一例低镁血症伴有严重而难以纠正的低钾血症和低钙血症患者,以供参考。患者女,50岁,因“胆囊炎、胆石症急性发作”于2月17日行胆囊切除及总胆管探查并T 字管引流术。术后5天黄疸消退,但仍有发热,体温38～38.7℃,考虑有胆道感染,给予庆大霉素16万～24万u/日静 We report a case of hypomagnesemia with severe and difficult to correct hypokalemia and hypocalcemia in patients for reference. Female patient, 50 years old, due to “cholecystitis, acute cholelithiasis” on February 17 underwent cholecystectomy and total bile duct exploration and T-tube drainage. Jaundice subsided 5 days after surgery, but still fever, body temperature 38 ~ 38.7 ℃, consider the biliary tract infection, given gentamicin 160,000 ~ 240,000 u / day static