题目内容
COPD患者长期家庭氧疗的适应证为
2021-12-09
A.Pa02<55mmHg或Sa02<88%
B.Pa02<60mmHg或Sa02<90%
C.PaO2<50mmHg或SaO2<90%
D.Pa02<60mmHg或Sa0288%
E.Pa02<55mmHg或SaO2<90%
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