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 are rare, but all procedures have some risk. The doctor will go over some problems that could happen, such as:

  • 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 (ABG) test. University of Michigan Health website. Available at: Accessed August 27, 2021.

Blood gases. Lab Tests Online—American Association for Clinical Chemistry website. Available at: Accessed August 27, 2021.

Dyspnea—approach to the patient. EBSCO DynaMed website. Available at: Accessed August 27, 2021.