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  1. Pulmonary Function Test: Purpose, Procedure & Results

    Oct 12, 2022 · A pulmonary function test measures how well your lungs work. You put your mouth on a mouthpiece and breathe. Your results should be available after a few days.

  2. Pulmonary Function Tests - American Lung Association

    May 12, 2025 · If you have symptoms or risk factors for a lung disease such as COPD, pulmonary fibrosis or asthma, your healthcare provider may order PFTs, among other tests, to check how …

  3. Pulmonary Function Test: Purpose, Procedure, and Risks - Healthline

    Jan 23, 2023 · In this article, we look closely at the different types of PFTs, when they’re used, and what conditions they may help diagnose. A doctor will order one or more PFTs, also …

  4. What To Expect During a Pulmonary Function Test (PFT)

    Sep 5, 2024 · Learn how pulmonary function tests (PFTs) diagnose chronic respiratory conditions and what to expect before, during and after your test.

  5. Pulmonary Function Tests - Johns Hopkins Medicine

    Pulmonary function tests (PFTs) are tests that show how well your lungs are working. The tests measure lung volume, capacity, rates of flow, and gas exchange. This information can help …

  6. Pulmonary Function Testing (PFT) - Lung and Airway Disorders

    Pulmonary function tests are better at detecting the general type and severity of lung disorder than at defining the specific cause of problems; however, these tests can be used to diagnose …

  7. Pulmonary Function Test (PFT): Purpose, Preparation, Results - Health

    Sep 28, 2025 · For a spirometry test, you blow hard into a machine to measure lung volume and airflow. You should wear comfortable clothing and avoid smoking before a PFT. A pulmonary …

  8. Pulmonary Function Test: Types, Procedure & Risks

    What is a Pulmonary Function Test? A pulmonary function test, or PFT, is a group of noninvasive tests that show how well your lungs are working. The test measures how much air your lungs …

  9. Pulmonary Function Tests: Purpose, Procedure, and Types

    Sep 10, 2025 · For the test, please wear comfortable, loose clothing and take off any jewelry that might interfere with the procedure. Those wearing dentures will have to wear them during the …

  10. Pulmonary Function Tests - Brigham and Women's Hospital

    Sep 1, 2025 · What are pulmonary function tests? Pulmonary function tests (PFTs) show how well your lungs are working. The tests measure lung volume, capacity, rates of flow, and gas …