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单项选择题诊断呼吸衰竭的血气标准是()

A、PaO2<65mmHg和(或)伴有PaCO2>55mmHg

B、PaO2<50mmHg和(或)伴有PaCO2>60mmHg

C、PaO2<60mmHg和(或)伴有PaCO2>5mmHg

D、PaO2<60mmHg和(或)伴有PaCO2>50mmHg

E、PaO2<65mmHg和(或)伴有PaCO2>50mmHg

  • D
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