Application of Fractional Exhaled Nitric Oxide – ICST

Application of Fractional Exhaled Nitric Oxide

FeNO features alongside spirometry with reversibility and a PEF diary as an important step in diagnostic pathways for Adult Asthma. The aim of this NWS is to outline the correct application and interpretation of FeNO in clinical practice, to support the diagnosis of asthma.

Check out the TV show and tutorials, as well as some useful resources, before completing the assessment.


When to use FeNO; understanding the clinical application of the test

Interpreting the FeNO test results

Understanding the issues with interpreting a FeNO measurement


All-Wales Adult Asthma Diagnostic Guidelines


Consensus statement for FeNO testing in adults in Wales

This group was formed to review the use of FeNO within Wales and designed to represent views from community, primary and secondary care teams.

If, when and how to use FeNO

Professor Mike Thomas discusses the uses of the FeNO test in general practice

Fractional Exhaled Nitric Oxide testing (PCRS-UK)

Fran Robinson talks to Carol Stonham a nurse practitioner, PCRS-UK nurse lead and vice chair of the PCRS-UK Education Committee, who has been carrying out FeNO testing for asthma for a number of years in her practice.

ATS Interpretation of Exhaled Nitric Oxide Levels (FeNO)

This Clinical Practice Guideline is designed to guide clinicians as to how exhaled NO measurements should be used and interpreted.


Application and Interpretation of FeNO

40-minute case-based assessment

20 multiple choice questions

80% pass mark (16 out of 20)

Unlimited retakes

On successful completion, your certificate will appear under this tab.

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