This test may be done to help your health care provider give you a more accurate prognosis or craft your treatment plan.
Peak flow measurement is a quick test to measure air flowing out of the lungs.
Pulmonary function tests (PFTs) are noninvasive tests that show how well the lungs are working.
Pulse oximetry is a test used to measure the oxygen level (oxygen saturation) of the blood. It is an easy, painless measure of how well oxygen is being sent to parts of your body furthest from your heart, such as the arms and legs.