![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
呼吸衰竭时,血气分析的诊断标准是()
A.PaO2<50mmhgpaco2<50mmhg
B.pao2<60mmhgpaco2>50mmHg
C.PaO2<80mmhgpaco2>60mmHg
D.PaO2<60mmhgpaco2>60mmHg
E.PaO2<50mmhgnpaco2>70mmHg
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.PaO2<50mmhgpaco2<50mmhg
B.pao2<60mmhgpaco2>50mmHg
C.PaO2<80mmhgpaco2>60mmHg
D.PaO2<60mmhgpaco2>60mmHg
E.PaO2<50mmhgnpaco2>70mmHg