Family Medicine

	Answer 2 Moderate. The patient is at 50% of his personal best peak flow. Based on the NHLBI guidelines, the patient would be categorized as having a moderate asthma exacerbation (40%–69% of personal best peak flow).1 A peak flow of 70% or greater indicates a mild exacerbation, whereas less than 40% is classified as severe and less than 25% is classified as life-threatening.1 REFERENCE 1. National Asthma Education and Prevention Program. Expert panel report 3: guidelines for the diagnosis and management of asthma (EPR-3 2007). NIH Publication No. 08–4051. Bethesda (MD): U.S. Department of Health and Human Services; National Institutes of Health; National Heart, Lung, and Blood Institute; 2007. Available at www.nhlbi.nih.gov/guidelines/asthma/asthgdln.htm. Accessed 22 Jul 2008. Click here to return to the questions
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