What is a pulmonary function test?

A pulmonary function test determines how effectively the lungs are functioning. The test assesses lung volume, capacity, gas exchange, and rate of flow, among other parameters linked to lung function. Your doctor may be able to use the results to identify and treat some lung problems.

How are pulmonary function tests performed in Missouri?

Depending on the information your doctor is looking for, pulmonary function tests can be done in two ways. Your doctor may order both tests in some circumstances since they measure distinct things. Your doctor may use a spirometer (a device with a mouthpiece) or have you stand inside an air-tight box that looks like a telephone booth to test your breathing.

What does a pulmonary function test measure?

A pulmonary function test assesses a number of aspects of lung function. These are some of them: Total lung capacity is the volume of the lungs when they are completely full with air.Forced vital capacity is the amount of air you can forcefully evacuate once your lungs have been completely filled.The amount of air left in your lungs after you've exhaled as much as you can.The amount of air left in your lungs after you exhale normally is known as functional residual capacity.