A normal HCO3 level for an ABG test is 22-26 mEq/L. What are blood gasses? Your body's natural gas exchange results in dissolved oxygen and carbon dioxide (gasses) in your blood. What happens if ...

The PaO2 is one of the components measured in an arterial blood gas (ABG) test, which also reports oxygen (O2) saturation, bicarbonate (HCO3), the partial pressure of carbon dioxide (CO2), and the ...