Carbon dioxide pressure-concentration relationship in arterial and mixed venous blood during exercise.

@article{Sun2001CarbonDP,
  title={Carbon dioxide pressure-concentration relationship in arterial and mixed venous blood during exercise.},
  author={X G Sun and James E. Hansen and William W. Stringer and Hua Ting and Karhnan Wasserman},
  journal={Journal of applied physiology},
  year={2001},
  volume={90 5},
  pages={1798-810}
}
To calculate cardiac output by the indirect Fick principle, CO(2) concentrations (CCO(2)) of mixed venous (Cv(CO(2))) and arterial blood are commonly estimated from PCO(2), based on the assumption that the CO(2) pressure-concentration relationship (PCO(2)-CCO(2)) is influenced more by changes in Hb concentration and blood oxyhemoglobin saturation than by changes in pH. The purpose of the study was to measure and assess the relative importance of these variables, both in arterial and mixed… CONTINUE READING
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