RT Book, Section A1 Dalley, Michael T. A1 Bui, Triminh A2 Farcy, David A. A2 Chiu, William C. A2 Flaxman, Alex A2 Marshall, John P. SR Print(0) ID 55810982 T1 Chapter 10. Severe Asthma and COPD T2 Critical Care Emergency Medicine YR 2012 FD 2012 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-162824-2 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=55810982 RD 2024/04/23 AB Obstructive airway disease is the most common chronic pulmonary pathology encountered in emergency medicine. Its most common etiology, asthma, is characterized by bronchoconstriction and airway hyperresponsiveness to certain stimuli. These stimuli trigger inflammatory mediators that lead to airway inflammation, mucosal edema, and, ultimately, reversible bronchospasm.1