Which respiratory findings are characteristic of asthma?

Updated: Oct 07, 2019
  • Author: John J Oppenheimer, MD; Chief Editor: Michael A Kaliner, MD  more...
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During an acute asthma exacerbation, lung examination findings may include wheezing, rhonchi, hyperinflation, or a prolonged expiratory phase. With severe disease, lung auscultation may reveal absent breath sounds (indicating poor air movement) or signs of respiratory distress and failure (eg, nasal flaring, grunting, accessory muscle use, cyanosis). Focal wheezing may indicate foreign body or other airway obstruction, such as a tumor.

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