TY - CHAP M1 - Book, Section TI - Severe Asthma and COPD A1 - Dalley, Michael T. A1 - Ciment, Ari A2 - Farcy, David A. A2 - Chiu, William C. A2 - Marshall, John P. A2 - Osborn, Tiffany M. PY - 2016 T2 - Critical Care Emergency Medicine, 2e 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 hyper-responsiveness to certain stimuli. These stimuli trigger inflammatory mediators that lead to airway inflammation, mucosal edema, and, ultimately, reversible bronchospasm.1 SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/10/16 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1135700322 ER -