诊断呼吸衰竭的血气标准是

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问题诊断呼吸衰竭的血气标准是

选项 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＞55mmHg
D、PaO₂＜60mmHg和(或)伴有PaCO₂＞50mmHg
E、PaO₂＜65mmHg和(或)伴有PaCO₂＞50mmHg

答案D

解析

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