Variable Airflow Obstruction

Step 2 of the All-Wales Adult Asthma Diagnostic Guideline focuses on the objective evidence required to demonstrate variable airflow obstruction. Included in this Step are the standard investigations; Spirometry with Reversibility, PEF diary, and Fractional Exhaled Nitric Oxide, which Katie explores further in this Tutorial.

Mark as Understood


All-Wales Asthma Diagnosis Guideline

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