partial pressure of carbon dioxide (paCO2) in pulmonary artery

Reference interval

• venous (whole blood): 40-45 mm Hg (5.3-6.0 kPa)

* presumptive same as pCO2 in venous blood

More general terms

• partial pressure of carbon dioxide (paCO2) in arterial blood

Additional terms

• arterial blood gas (ABG)
• CO2 (carbon dioxide, carbonic anhydride)
• pCO2 electrode
• pulmonary artery or trunk (PA)