Pulmonary Function Testing

What is the test?

Your doctor can get a great deal of information about your lungs and lung function by doing a series of tests called pulmonary function testing. These tests can tell your doctor what quantity of air you breathe with each breath, how efficiently you move air in and out of your lungs, and how well your lungs are delivering oxygen to your bloodstream.

How do I prepare for the test?

No preparation is necessary.

What happens when the test is performed?

This testing is done in a special laboratory. During the test, you are instructed to breathe in and out through a tube that is connected to various machines.

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