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Acute Care Advisor 2016.4 Copyright © 2016 RelayHealth, a division of McKesson Technologies Inc. All rights reserved.
An arterial blood gas (ABG) test is a blood test that measures:
The amount of oxygen in your blood. Oxygen is breathed into the lungs and carried to the body’s tissues through the blood.
The amount of carbon dioxide in your blood. Carbon dioxide is a waste that the body creates. It is carried away from the body’s tissues by the blood to the lungs and breathed out.
The balance of chemicals called acids and bases in your blood. Your body needs a careful balance of these chemicals to be able to function well. Problems with your kidneys or heart failure, diseases like diabetes, or a severe infection can cause an unhealthy imbalance.
The amount of bicarbonate in your blood. Bicarbonate is released or absorbed by your kidneys to keep the acid-base balance stable.
It may be done to:
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