What is Fractional Exhaled Nitric Oxide (FeNO) Testing? Fact Sheet
Overview
A FeNO test measures the amount of nitric oxide, a byproduct of inflammation, in the air you breathe out. Your health care provider might use a FeNO test to help confirm an asthma diagnosis or approach to treatment. This 2-page fact sheet describes how the test works and when your health care provider may use it.
Print Length:
2
pages
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Language:
English
Audience:
General Public & Patients
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