Pulmonary Function Testing (PFT)
Pulmonary refers to your lungs. Pulmonary function tests check how well your lungs are working.
Doctors can use several different devices. The most common ones are:
A spirometer is a device you breathe into to measure how much air your lungs can hold and how fast you can blow air out of your lungs. Doctors use a spirometer:
Doctors do pulmonary function tests to see how well your lungs are working. They may do them if you have or may have a disease that affects your lungs or breathing muscles, such as:
Doctors can use pulmonary function tests to check for: