TERMIUM Plus®

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pression de CO2 [1 record]

Record 1 1988-05-02

English

Subject field(s)
  • Respiratory System
CONT

It should be emphasized that a decrease in the O2 pressure (PO2) of arterial blood has several causes. In contrast, the pressure of CO2 (PCO2) is governed simply by the relationship between CO2 production and CO2 elimination by alveolar ventilation.

French

Domaine(s)
  • Appareil respiratoire
CONT

Il y a peu de variations de PCO2 dans le sang (- 6mmHg) et beaucoup dans l'air alvéolaire (+ 40 mmHg). Que fait l'anomalie ventilation-perfusion sur les pressions de CO2? Si nous supposons un poumon dont le rapport ventilation-perfusion est égal à 2, nous obtenons une PaCO2 et une PACO2 pour ce poumon égales à 32 mmHg.

Spanish

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