医生准备了血管收缩剂，会在静脉点滴注射时加进去以防止流血。

The doctor has ordered a vasoconstrictor. It'll be added to the intravenous drip to stop the bleeding.

方法随机抽样分为治疗组和对照组，治疗组采用黄芪静脉点滴法，观察其对血浆蛋白、血脂的影响。

Method Patients were divided randomly into the treatment group and the control group. The treatment group was given infusion of RMM by intravenous drip.

用药途径主要是静脉点滴。

The main way of medication was IV injection.