VE/PaCO2 relationship: Hypoxia

Definition

The quotient of exhaled CO₂ (VeCO₂) and arterial CO₂ (Ve/PaCO₂) is a measure of the ventilatory response to hypoxia.

The difference between exhaled CO₂ (VeCO₂) and arterial CO2 (PaCO₂-VeCO₂) is a measure of physiologic dead space

VeCO2 and PaCO2

VeCO₂/PaCO₂: measure of ventilatory response to hypoxia

PaCO₂ – VeCO₂: measure of dead space

Subspecialty

Related Media

Keyword history

53%/2010

See Also:

Sources

Miller, RD et al. Miller’s Anesthesia, 7th ed, Churchill Livingstone: Chapter 59. 2009

PubMed

N H Edelman, N S Cherniack, S Lahiri, E Richards, A P Fishman The effects of abnormal sympathetic nervous function upon the ventilatory response to hypoxia. J. Clin. Invest.: 1970, 49(6);1153-65