Infection of the Bronchial Tubes Chronic Pulmonary Function Test
An evaluation of chronic bronchitis will often include pulmonary function testing.
Pulmonary Function Testing
Pulmonary function tests include a variety of special lung tests. They are also called PFTs or spirometry. PFTs measure the movement of air in and out of the lungs. Using these test results, a doctor can assess a person's overall lung function.
PFTs are also used to document the progression or extent of certain lung diseases. They can show a therapeutic response to a medication or treatment. PFTs can evaluate a patient's lungs prior to surgery and monitor workers exposed to substances that are toxic to the lungs.
In this test, the patient breathes into a mouthpiece. The PFT machine measures the amount of air inhaled or exhaled in a fixed period of time. The maximum speed of breathing out is measured. This is called Peak Expiratory Flow or, PEF. Oxygen saturations are usually measured along with PFTs. A simple version of this test is available as a personal peak flow meter.
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