题目内容

下列关于胸外心脏按压术的描述,错误的是

A. 下压比向上放松的时间长一倍
B. 按压部位在胸骨中下1/3交界处
C. 按压部位的定位先确定胸骨下切迹
D. 按压频率为100/min
E. 按压与放松时,重叠的掌根不能离开胸骨定位点

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Repairclamp用于_____。

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