PFT (Pulmonary Function Test)

What is a Pulmonary Function Test (PFT)?
A PFT is a test that measures how well your lungs are working by checking airflow, lung volume, and gas exchange.
Why is a PFT needed?
It helps diagnose lung conditions such as asthma, COPD, bronchitis, and other respiratory disorders.
Is a PFT painful?
No, PFT is a non-invasive and painless test where you breathe into a machine to measure lung function.
How long does a PFT take?
The test typically takes 30–45 minutes, depending on the number of measurements needed.
Do I need to prepare for a PFT?
Yes, you may need to avoid smoking, caffeine, or heavy meals before the test. Your doctor may also ask you to stop using certain medications temporarily.