单选题 小儿呼吸衰竭的诊断标准是
A.PaO
≤8kPa(60mmHg),PaCO
≥6kPa(45mmHg),SaO
<90%
B.PaO
≤8kPa(60mmHg),PaCO
≥6.7kPa(50mmHg),SaO
<90%
C.PaO
≤6.7kPa(50mmHg),PaCO
≥6.7kPa(50mmHg),SaO
<85%
D.PaO
≤6.7kPa(50mmHg),PaCO
≥8kPa(60mmHg),SaO
<85%
E.PaO
≤6.7kPa(50mmHg),PaCO
≥6.7kPa(50mmHg),SaO
<90%
正确答案:
C
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