Fractional Exhaled Nitric Oxide (FENO) testing is a new form of lung function testing. It is used alongside spirometry to diagnose and monitor asthma. The uptake of this new technology has been slow in all healthcare settings, particularly primary care. This article reviews the fundamentals of FENO testing, including a background to the test, guidelines for use, and interpretation of the results.
Gill R. Fractional Exhaled Nitric Oxide (FENO) testing for the primary care practitioner. University of Lynchburg DMSc Doctoral Project Assignment Repository. 2022; 4(4).
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