Spirometry is one of the most commonly orderedlung function tests. The spirometer measures how much air you can breathe into your lungs and how much air you can quickly blow out of your lungs.
This test is done by having you take in a deep breath and then, as fast as you can, blow out all of the air. You will be blowing into a tube connected to a machine (spirometer). To get the 'best' test result, the test is repeated three times. You will be given a rest between tests. The test is often repeated after giving you a breathing medicine bronchodilator) to find out how much better you might breathe with this type of medicine. It can take practice to be able to do spirometry well. The staff person will work with you to learn how to do the test correctly.
It usually takes 30 minutes to complete this test.
These tests are done to access:
Pulmonary Function Tests (PFT) are breathing tests to find out how well you move air in and out of your lungs and how well oxygen enters your body.