Abstract
obstruction, airway hyperresponsiveness, and lung inflammation. Recurrent episodes of cough, wheezing, dyspnea, and chest tightness result from complex cellular interactions, rich in eosinophils. While its disease progression is incompletely understood, exercising control over the inflammatory nature of asthma may prevent airway remodeling and permanent airflow limitations. Approximately 34.1 million Americans have been diagnosed with asthma by a health care provider.1 As the incidence of asthma is increasing in the United States, nurse practitioners (NPs) must be cognizant of both classic asthma symptoms and covert clinical findings suggestive of asthma. In addition to history and physical examination, spirometry is the gold standard for measuring airflow obstruction and reversibility. National asthma guidelines recommend spirometry to be performed in those 5 years of age.2
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