An arterial blood gas (ABG) test is a diagnostic procedure used to measure the levels of oxygen and carbon dioxide in the blood. It is also used to measure the acidity (pH) of the blood. This test is typically performed on a sample of blood taken from an artery, usually in the wrist or elbow.
What is Measured in an Arterial Blood Gas Test?
An arterial blood gas test measures the levels of oxygen (PaO2), carbon dioxide (PaCO2), and acidity (pH) in the blood. It also measures the amount of bicarbonate (HCO3) in the blood.
When is an Arterial Blood Gas (ABG) Test Performed?
An arterial blood gas test is typically performed when a doctor suspects a patient has a respiratory or metabolic disorder. It is also used to monitor the effectiveness of treatments for these disorders.
Who Performs an Arterial Blood Gas (ABG) Test?
An arterial blood gas test is typically performed by a doctor, nurse, or other healthcare professional.
What Happens Before an Arterial Blood Gas (ABG) Test?
Before an arterial blood gas test, the patient will be asked to remove any jewelry or clothing that may interfere with the test. The patient may also be asked to stop taking certain medications that could affect the results of the test.
What Should I Expect During an Arterial Blood Gas Test?
During an arterial blood gas test, the patient will feel a slight pinch as the needle is inserted into the artery. The patient may also feel a slight burning sensation as the blood is drawn.
What Should I Expect After My Arterial Blood Gas Test?
After an arterial blood gas test, the patient may experience some bruising or soreness at the site of the needle insertion. The patient should apply pressure to the area to reduce any bleeding.
Are There Any Risks to an Arterial Blood Gas Test?
There are very few risks associated with an arterial blood gas test. The most common risk is infection at the site of the needle insertion.
When Should I Know the Results of My Arterial Blood Gas (ABG) Test?
The results of an arterial blood gas test are typically available within a few hours.
What Do the Results of an Arterial Blood Gas Test Mean?
The results of an arterial blood gas test can help diagnose and monitor a variety of respiratory and metabolic disorders. The results can also help determine the effectiveness of treatments for these disorders.
What Are Normal Values for an Arterial Blood Gas Test?
Normal values for an arterial blood gas test vary depending on the patient’s age, gender, and other factors.
When Should I Call My Doctor?
If you have any questions or concerns about an arterial blood gas test, you should contact your doctor.
References
- Mayo Clinic. (2020). Arterial Blood Gas Test. Retrieved from https://www.mayoclinic.org/tests-procedures/arterial-blood-gas/about/pac-20384912
- Lab Tests Online. (2020). Arterial Blood Gas (ABG). Retrieved from https://labtestsonline.org/tests/arterial-blood-gas-abg
- WebMD. (2020). Arterial Blood Gas Test. Retrieved from https://www.webmd.com/a-to-z-guides/arterial-blood-gas-test#1
Keywords: arterial blood gas test, ABG test, PaO2, PaCO2, pH, HCO3, normal values