Pulmonary function tests (PFTs) are a group of tests that measure how well your lungs work. This includes how well youre able to breathe and how effective your lungs are able to bring oxygen to the rest of your body.
Pulmonary-function technologist Performs pulmonary-function, lung-capacity, diffusion capacity, and blood-and-oxygen tests to gather data for use by physician in diagnosis and treatment of pulmonary disorders
PFTs are also known as spirometry or lung function tests.
Why are these tests done?
Our doctor will order these tests to determine how your lungs are working. If patient already have a condition thats affecting your lungs, our doctor may order this test to see if the condition is progressing or how its responding to treatment.
PFTs can help diagnose:
Preparation for pulmonary function tests?
Its important that patient dont eat a large meal before testing. A full stomach can prevent patient lungs from inhaling fully. Patient should also avoid food and drinks that contain caffeine, such as chocolate, coffee, and tea, before test. Caffeine can cause airways to open. Patient should also avoid smoking and strenuous exercise before the test.
Be sure to wear loose-fitting clothing to the test. Tighter clothing may restrict patient breathing. Patient should also avoid wearing jewelry that might affect your breathing. If you wear dentures, wear them to the test to ensure that your mouth can fit tightly around the mouthpiece used for the test.