When is hypercapnia tolerated in patients with obstructive airway disease-related respiratory failure?

Updated: Apr 07, 2020
  • Author: Ata Murat Kaynar, MD; Chief Editor: Michael R Pinsky, MD, CM, Dr(HC), FCCP, FAPS, MCCM  more...
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In the absence of hypoxia, hypercapnia generally is well tolerated in most patients. Even marked levels of hypercapnia are preferable to attempts to normalize the carbon dioxide tension (PCO2), which could lead to dangerous levels of hyperinflation.

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