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A 38-year-old member asked:

If pulse oximeter is ok why would er do abg?

1 doctor answer2 doctors weighed in
Dr. Sanjay Kumar
Internal Medicine 38 years experience
Acidosis/alkalosis: Abg provides important additional information about carbon dioxide levels and acid base disorders. Crucial information in successfully managing critically ill patients. Pulse ox only gives info on oxygenation, and even this is better assessed with abg.

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Last updated Feb 9, 2017

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