Arterial Blood Gases



Arterial blood gas is a test to look for gases in the blood.

The Arteries
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Possible Complications

Problems from the procedure are rare, but all procedures have some risk. Your doctor will review potential problems, like:

  • Bleeding
  • Bruising
  • Injury to the artery



This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.

Edits to original content made by Denver Health.


American Association for Respiratory Care 

National Heart, Lung, and Blood Institute 


Health Canada 

The Lung Association 


Arterial blood gases. Patient website. Available at: August 22, 2017. Accessed November 30, 2017.

Blood gases. Lab Tests Online—American Association for Clinical Chemistry website. Available at: Updated june 4, 2017. Accessed November 30, 2017.