What is a pulmonary function test?
A pulmonary function test (PFTs)are a group of noninvasive tests that monitor the performance of the lungs. They measure lung volume, capacity, rates of flow, and gas exchange.
Adding the following: PFTs typically include several different types of tests:
- Spirometry, which measures how much air you can breathe in and out and how quickly you can exhale.
- Lung volume measurement, which determines the total amount of air the lungs can hold.
- Diffusion capacity test (DLCO), which evaluates how efficiently gases like oxygen move from the lungs into the blood.
Together, these tests provide a comprehensive picture of lung function and can be used to monitor lung performance over time or assess the impact of environmental or occupational exposures.
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