What is the role of arterial blood gas (ABG) analysis in the diagnosis of aspiration pneumonia?

Updated: Aug 15, 2018
  • Author: Justina Gamache, MD; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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Answer

Answer

Arterial blood gas (ABG) analysis is used to assess oxygenation and pH status. ABG analysis adds information that may guide oxygen supplementation. The results of ABG analysis typically demonstrate acute hypoxemia in patients with chemical pneumonitis and normal to low partial pressure of carbon dioxide. A lactate level can be used as an early marker of severe sepsis or septic shock.


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