Clinical Use of Venoarterial PCO2 Difference in Septic Shock

  • J. L. Teboul
  • X. Monnet


The venoarterial carbon dioxide (CO2) pressure (PCO2) gradient (ΔPCO2) is the difference between PCO2 in the mixed venous blood (PvCO2) and the PCO2 in the arterial blood (PaCO2). PaCO2 and PvCO2 represent the partial pressures of the dissolved CO2 in arterial and mixed venous blood, respectively, which represent only a fraction of arterial CO2 content (CaCO2) and mixed venous CO2 content (CvCO2), respectively.


Cardiac Output Septic Shock Tissue Hypoxia Septic Shock Patient Blood Lactate Level 
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© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • J. L. Teboul
  • X. Monnet

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