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Thursday, August 21, 2014
How can your determine if a person has asthma?
The diagnosis of asthma requires a careful history with proper pulmonary function testing before and after bronchodilators (albuterol). If there is a 12-15% change in the FEV1 (forced expiratory volume in the 1st second of exhalation) then this is diagnostic of asthma. A negative test does not exclude asthma but more specialized tests would be required to make a definitive diagnosis or exclusion of asthma. An allergist or pulmonologist evaluates patients to determine if they have asthma.
Jonathan Bernstein, MD
Associate Professor of Medicine
College of Medicine
University of Cincinnati