Will a cold or sinus infection affect spirometry test results?

Q:

Will a cold or sinus infection affect spirometry test results?

A:

Yes. A cold, sinus infection, or other respiratory illness may affect the results of your spirometry test. To properly test your lung function, a spirometry test measures the volume of air you are able to exhale and the rate at which you exhale.

When you suffer from a cold, flu, or similar illness the tissue of your lungs may become irritated. In addition, you may experience excessive mucus build up in your lungs. Both of these conditions will have an impact on your ability to breathe. The test results will not be accurate if you are unable to maintain a sustained forceful breath during the test. Coughing, sneezing, or other interruptions will invalidate the results . If you have a cold other respiratory illness you should inform your test administrator so that your test can be rescheduled.

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Written by Kyle Powell
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Kyle Powell is the president & CEO at SureHire Occupational Health Testing, Canada's leading expert in the occupational health and wellness testing industry. SureHire Offers a national private testing network, standardized training/testing and subject matter experts.   Full Bio