RT Book, Section A1 Schwinghammer, Terry L. A1 DiPiro, Joseph T. A1 Ellingrod, Vicki L. A1 DiPiro, Cecily V. SR Print(0) ID 1178899068 T1 Asthma T2 Pharmacotherapy Handbook, 11e YR 2021 FD 2021 PB McGraw Hill PP New York, NY SN 9781260116694 LK accesspharmacy.mhmedical.com/content.aspx?aid=1178899068 RD 2024/04/19 AB Asthma is defined by the Global Initiative for Asthma (GINA) as a heterogeneous disease usually characterized by chronic airway inflammation. It is defined by a history of respiratory symptoms such as wheezing, shortness of breath, chest tightness, and cough that vary over time and in intensity, together with variable expiratory airflow limitation.