Pulmonary Function Tests - Understanding Lung Function Assessment

Pulmonary Function Tests are a group of tests that measure how well the lungs take in and release air. They are used to assess lung function and diagnose respiratory conditions.

Pulmonary Function Tests FAQ

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What are pulmonary function tests?

Pulmonary function tests (PFTs) are noninvasive tests that show how well the lungs are working. The tests measure lung volume, capacity, rates of flow, and gas exchange. This information can help your healthcare provider diagnose and decide the treatment of certain lung disorders.

What is a lung function test?

A lung function test looks at how well your lungs work. We look at common questions about the procedure including the main types of lung function tests and how quickly you will get the results. Why might I need a lung function test? Your doctor may have asked you to have one if you’ve been having breathing problems.

What is a pulmonary function test (PFT)?

A doctor will order one or more PFTs, also known as lung function tests, to determine how well you’re able to breathe and how effectively your lungs send oxygen to the rest of your body.

Who performs a pulmonary function test?

PFTs are normally performed by a pulmonary function technician, respiratory therapist, respiratory physiologist, physiotherapist, pulmonologist, or general practitioner. Pulmonary function testing is a diagnostic and management tool used for a variety of reasons, such as: Diagnose lung disease.