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.

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 …

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 …

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 …

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

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 …

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 …

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 …

Learn what a pulmonary function test is, its types, procedure, risks, and preparation tips to better understand and monitor your lung health.

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 …