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。
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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。
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