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Exhaled Nitric Oxide Testing

Measurement of the nitric oxide level in the air you breathe out is a simple test to measure airway inflammation. The results from this test make it easier for you and Dr. Mjaanes to monitor your asthma and determine the best treatment plan for you.

What is done during the test?

You will be seated and asked to slowly blow out. You will place a mouthpiece in your mouth. Next, you will take a deep breath in filling up your lungs. You will slowly blow the air out of your lungs. This will be repeated until there is an acceptable effort. Our nursing staff will explain the test and coach you to do it correctly.

How long will the test take?

The exhaled nitric oxide test often takes 5 minutes to complete.