Un-diagnosing persistent adult asthma

Brian J. Lipworth (Lead / Corresponding author), Sunny Jabbal

Research output: Contribution to journalLetterpeer-review

6 Citations (Scopus)
113 Downloads (Pure)


The diagnosis of asthma is usually based on typical symptoms, family history, audible wheeze, peak flow, spirometry, possibly in conjunction with atopy and blood eosinophilia, as well as response to treatment. In cases for which the diagnosis is less clear-cut, other tests may be required, including impulse oscillometry (IOS), exhaled nitric oxide fraction (FeNO) and bronchial challenge testing (figure 1).
Original languageEnglish
Article number1701433
JournalEuropean Respiratory Journal
Issue number5
Publication statusPublished - 1 Nov 2017


  • Exhaled nitric oxide
  • Asthma
  • Airway hyperresponsiveness


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