The venous pCO2 is also pretty easy. The venous pCO2 is 5.7 mm Hg higher than arterial. For practical purposes, call it 6 mm Hg. Normal arterial pCO2 is 40 (same as the venous pO2 remember?), so normal venous pCO2 is
The venous pCO2 is also pretty easy. The venous pCO2 is 5.7 mm Hg higher than arterial. For practical purposes, call it 6 mm Hg. Normal arterial pCO2 is 40 (same as the venous pO2 remember?), so normal venous pCO2 is