低镁综合征是指血清镁低于1.5毫克当量(mEq/L)或伴低血钾或低血钙综合征。其神经系统表现轻者可无症状或仅有乏力和神衰症状,重者可有昏迷、抽搐,甚至急死。主要表现为:①急性代谢性脑功能障碍:以精神症状最常见,还可有眩晕、共济失调及意识模糊,重者可有昏迷、抽风,深 Low magnesium syndrome refers to serum magnesium less than 1.5 milliequivalents (mEq / L) or with hypokalemia or hypocalcemia syndrome. The performance of the nervous system may be asymptomatic or only weak and symptoms of Shen Shen, severe cases may have coma, convulsions, and even acute death. Mainly as follows: ① acute metabolic brain dysfunction: the most common mental symptoms, but also have dizziness, ataxia and confusion, severe cases may have coma, ventilation, deep