How is the oxygen in my blood measured?

Your physician will confirm if the amount of oxygen in your blood is low by performing one or both of the following tests:

Arterial Blood Gas: A small amount of blood is taken from an artery (usually in the wrist). this test is very accurate and measures the amount of oxygen and carbon dioxide in your blood.

Pulse Oximetry: A pulse oximeter is a device with a sensor that attaches to your finger to estimate how saturated your blood is with oxygen. This test is simple and pain free and will verify whether your blood levels are too low. With your physicians’ approval, Air Liquide Healthcare can perform pulse oximetry testing in the comfort of your home.