The treating group,first,put20ml of25% Epsom salt in-to 500ml of 10% G. S,I. V.T,and finishing it in an hour.

• 治疗组首先用25%25硫酸镁20m l加入10%25葡萄糖液500m l,静脉点滴,1h滴完,然后,用25%25硫酸镁16m l加入10%25葡萄糖液500m l,静脉点滴,维持5h,每日1次;