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.

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 known as lung...

Jan 21, 2026 · They are performed by a pulmonary function technician, who will require you to use maximal effort to blow out and breathe in air. The tests will be repeated to make sure the results are …

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 your healthcare …

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

Sep 28, 2025 · You may take a pulmonary function test (PFT) to help diagnose and treat conditions like asthma and COPD. For a spirometry test, you blow hard into a machine to measure lung volume and …

Spirometry is used to test lung function. The person breathes normally, then quickly inhales deeply through a mouthpiec. Spirometry uses a computer (that is, a spirometer) to measure and record lung …

Measure how chronic diseases - like asthma, chronic obstructive lung disease (COPD), or cystic fibrosis -affect your lung function. Identify early changes in lung function that might show a need for a …

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 test. You …

Your doctor will compare the results of your tests with normal values based on your age, sex, and height, or previous test results. Your doctor will discuss the results with you and decide if further …