Lung Function Tests: How To Prepare
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How To Prepare
Tell your doctor if you:
- Have had recent chest pains or a heart attack.
- Take medicine for a lung problem, such as asthma. You may need to stop taking some medicines before testing.
- Are allergic to any medicines.
Do not eat a heavy meal just before this test because a full stomach may prevent your lungs from fully expanding. You should not smoke or exercise strenuously for 6 hours before the test. On the day of the test, wear loose clothing that does not restrict your breathing in any way. You should also avoid food or drinks that contain caffeine because it can cause your airways to relax and allow more air than usual to pass through.
If you have dentures, wear them during the test to help you form a tight seal around the mouthpiece of the spirometer.
| Last updated: | July 03, 2007 |
|---|---|
| Author: | Maria G. Essig, MS, ELS |
| Reviewed By: | Caroline S. Rhoads, MD - Internal Medicine, Robert L. Cowie, MB, FCP(SA), MD, MSc, MFOM - Pulmonology |
| Editors: | Sydney Youngerman-Cole, RN, BSN, RNC, Tracy Landauer |
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