Medically reviewed by Sanja Jelic, MD Hypercapnia describes high carbon dioxide (CO2) levels in the blood above 45 mm Hg. It ...

Background: The pathogenesis of daytime hypercapnia (PaCO 2 ≥ 45 mm Hg) may be directly linked to the existence of obstructive sleep apnea syndrome (OSAS) per se, although only some patients ...

This leads to hypercapnia and hypoxemia - both of which ... in difficulty breathing and respiratory failure. 'I felt like the ...