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Arterial Blood Gas (ABG)

The test is used to check how well the lungs are able to move oxygen into the blood and remove carbon dioxide

Image by Maxime Doré

What is an Arterial Blood Gas (ABG) test?

It is a blood test that measures the acidity, levels of oxygen (O2) and carbon dioxide (CO2) from an artery.

An Arterial Blood Gas (ABG) test measures the amounts of arterial gases, such as oxygen and carbon dioxide, as well as assessing other blood markers. The test requires that a small volume of blood be drawn from the radial artery with a syringe and a thin needle. In addition, arterial oxygen saturation can be determined. Such information is vital when caring for patients with respiratory diseases who may be potential candidates for home oxygen therapy.

What should I expect from my visit and what do I need to bring?

  • Please come to the clinic 15 minutes before your appointment to fill in registration forms

  • Please bring your healthcare card and one other form of identification

  • If you are on any prescription medications, please bring a list of all the prescription medications you are currently taking

  • If you are currently on home oxygen, please bring your portable oxygen cylinder or concentrator to your appointment.

  • You can expect to be at our clinic for 30 to 45 minutes for your appointment

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