Results The choice vena saphena magna or the vein puncture success ratio are high, also can supplement the blood volume rapidly therefore wins precious time.

• 结果选择大隐静脉或头静脉穿刺成功率较高,且能够迅速补充血容量,在短时间内为失血性休克病人的抢救赢得了宝贵时间。