Capnometry is the measurement and numerical display of the carbon dioxide concentration in the respiratory gas during the whole respiratory cycle (inspiration and expiration).

二氧化碳测定术是在整个呼吸循环过程(吸气和呼气)中气体中二氧化碳的测定和数值显示。

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Hence capnometry offers a continuous, non-invasive way to reflect the partial pressure of carbon dioxide in arterial blood, which is directly determined by alveolar ventilation.

因此，二氧化碳监测仪提供了一种连续的非侵袭性的反应动脉血二氧化碳分压的方法，二氧化碳分压直接由肺泡通气决定。

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