what does a blood gas test show

Best answer


A blood gas testmeasures the amount of oxygen and carbon dioxide in the blood. It may also be used to determine the pH of the blood,or how acidic it is. The test is commonly known as a blood gas analysis or arterial blood gas (ABG) test. Your red blood cells transport oxygen and carbon dioxide throughout your body.

People also ask


  • What is arterial blood gas test?

  • What is an Arterial Blood Gas (ABG)? An ABG is a blood test that measures the acidity, or pH, and the levels of oxygen (O2) and carbon dioxide (CO2) from an artery. The test is used to check the function of the patient鈥檚 lungs and how well they are able to move oxygen into the blood and remove carbon dioxide. …

  • Can a blood gas test tell if you have a problem?

  • But your doctor cannot diagnose a problem with an arterial blood gas test results alone. So you鈥檒l probably get other tests, too. Arterial blood gas test results may show whether: Your lungs are getting enough oxygen. Your lungs are removing enough carbon dioxide.

  • What is a blood gas sample taken for?

  • A blood gases sample is taken from an artery, usually at the wrist. It’s likely to be painful and is only carried out in hospital. A blood gas test is used to check the balance of oxygen and carbon dioxide in your blood, and the balance of acid and alkali in your blood (the pH balance).

  • Why would my doctor run a blood gas analysis?

  • Your doctor may run a blood gas analysis or arterial blood gas (ABG) test if you are showing the signs of an oxygen, carbon dioxide, or pH imbalance such as confusion or difficulty breathing.

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