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PFT (Pulmonary Function Test)
Respirator Fit Testing (Quantitative and Qualitative)
What are pulmonary function tests (PFTs)?
Pulmonary function tests (PFTs) are a group of tests that measure how well your lungs work. This includes how well you’re able to breathe and how effective your lungs are able to bring oxygen to the rest of your body.
Your doctor may order these tests:
if you’re having symptoms of lung problems
as part of a routine physical
to monitor how effective your treatment is if you have a lung disease, such as asthma
to assess how well your lungs are working before you have surgery
PFTs are also known as spirometry or lung function tests.
Why are these tests done?
Your doctor will order these tests to determine how your lungs are working. If you already have a condition that’s affecting your lungs, your doctor may order this test to see if the condition is progressing or how it’s responding to treatment.
PFTs can help diagnose:
bronchiectasis, which is a condition in which the airways in the lungs stretch and widen
chronic obstructive pulmonary disease (COPD), which used to be called “emphysema”
asbestosis, which is a condition caused by exposure to asbestos
sarcoidosis, which is an inflammation of your lungs, liver, lymph nodes, eyes, skin, or other tissues
scleroderma, which is a disease that affects your connective tissue
Respirator Fit Test
What is a respirator fit test?
A fit test is a test protocol conducted to verify that a respirator is both comfortable and correctly fits the user. Fit testing uses a test agent, either qualitatively detected by the wearer’s sense of taste, smell or involuntary cough (irritant smoke) or quantitatively measured by an instrument, to verify the respirator’s fit.