Why ABG test is done?


Updated: 17th October 2019

The blood gas test can determine how well your lungs are able to move oxygen into the blood and remove carbon dioxide from the blood. Imbalances in the oxygen, carbon dioxide, and pH levels of your blood can indicate the presence of certain medical conditions.

In respect to this, how is an arterial blood gas performed?

An arterial blood gas (ABG) is a blood test carried out by taking blood from an artery, rather than a vein. It is performed so that an accurate measurement of oxygen and carbon dioxide levels can be obtained, which then allows the patients oxygen to be delivered appropriately.

What does an ABG tell us?

An arterial blood gas (ABG) test measures oxygen and carbon dioxide levels in your blood. But if you have a hard time breathing or an illness that affects your lungs, your doctor may use an arterial blood gas (ABG) test to help check on what's happening with your lungs and other organs.

What are ABG values for?

(ABG) Arterial Blood Gas Analysis is used to measure the partial pressures of oxygen (PaO2), carbon dioxide (PaCO2), and the pH of an arterial blood sample. Oxygen content (O2CT), oxygen saturation (SaO2), and bicarbonate (HCO3-) values are also measured.
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