EtCO2 monitoring in pediatric PSG

 

During sleep, the entire body is involved in different physiological changes, including respiration. The expiratory volume reduces by 1.5 liter/min, PaO2 reduces by up to 10 torr, while PaCO2 increases by up to 8 torr. However, this normal homeostasis of gas exchange can be affected by different pathological factors.

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