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1. We're reducing the pressure我们在降低。
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2. of air going into his lungs肺部的气压。
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3. and watching his oxygen level.并监控他的氧含量。
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4. So far, so good. O2 steady.目前状况不错 氧含量稳定。
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5. Okay.好。
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6. Yes. But his end tidal CO2 is falling.对 但他的呼气末二氧化碳含量在下降。
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7. What does that mean?这是什么意思。
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8. It's not as bad as his O2 falling, but still not good.比氧含量下降强 但强不到哪去。
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9. Turn the pressure support back up.重新上压力支持通气。
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10. End tidal CO2 is very low, not improving.呼气末二氧化碳含量还是很低。