What is the role of arterial blood gases in the evaluation of acute liver failure?

Updated: Jun 13, 2019
  • Author: Gagan K Sood, MD; Chief Editor: BS Anand, MD  more...
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Arterial blood gases

Like pulse oximetry, arterial blood gas evaluation is valuable for identifying acid-base imbalances. However, because of significant disturbances in the acid-base balance, which are usually progressive, arterial blood gas evaluation is required, rather than only monitoring pulse oximetry. Placement of an arterial line is recommended.

Additionally, arterial blood gases may reveal hypoxemia, which is a significant concern as a result of adult respiratory distress syndrome (ARDS) or other causes (eg, pneumonia).

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