本文为美国Bethesda三家医院55例接受氨基糖甙类抗生素治疗的患者中21例(38％)并发低镁血症的研究报告。每隔3天测患者血清Mg~(++)、钙、总蛋白、白蛋白、钾、钠、氯、重碳酸盐、尿素氮、肌酐及磷的浓度。治疗开始后6～12小时收集24小时尿,在治疗最后一天测尿Mg~(++)。血清Mg~(++)<1.6mg％即为低镁血症(作 This is the report of 21 cases (38%) of patients with hypomagnesemia who were treated with aminoglycoside antibiotics in 55 Bethesda, USA hospitals. Serum levels of Mg ~ (++), calcium, total protein, albumin, potassium, sodium, chloride, bicarbonate, urea nitrogen, creatinine and phosphorus were measured every 3 days. Urine was collected 6 to 12 hours after the start of treatment and urinary Mg ~ (++) was measured on the last day of treatment. Serum Mg ~ (++) <1.6mg% is hypomagnesemia (for