What is the role of pulmonary function tests in the workup of asthma?

Updated: Oct 07, 2019
  • Author: John J Oppenheimer, MD; Chief Editor: Michael A Kaliner, MD  more...
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Symptom improvement with asthma therapy is suggestive, but not diagnostic, of asthma. Symptoms alone do not necessarily reflect asthma severity. Infants may be treated empirically. In patients older than 5 years, however, objectively demonstrating reversible airflow obstruction with pulmonary function tests, if possible, is essential.

Go to Peak Flow Rate Measurement for complete information on this topic.

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