问题
单项选择题
急救复苏时心外按压次数与人工呼吸次数比()
A.15:2
B.15:1
C.5:1
D.5:2
E.12:1
答案
参考答案:A
解析:每次通气停顿后,需连续几次按压后脑和冠状动脉灌注压才能达到呼吸停顿前水平。因此在《2000国际心肺复苏和心血管急救指南》中新规定,气道建立之前,无论单人或双人实施复苏救治,心脏按压/通气比例均要求为15:2。
急救复苏时心外按压次数与人工呼吸次数比()
A.15:2
B.15:1
C.5:1
D.5:2
E.12:1
参考答案:A
解析:每次通气停顿后,需连续几次按压后脑和冠状动脉灌注压才能达到呼吸停顿前水平。因此在《2000国际心肺复苏和心血管急救指南》中新规定,气道建立之前,无论单人或双人实施复苏救治,心脏按压/通气比例均要求为15:2。
用方框中所给单词的适当形式填空,使短文完整正确。(每个单词限用一次) | |
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