Snapshot CS A five-year-old with severe asthma is being treated in the ER with a IV aminophylline drip. The child is slowly becoming sleepy and less responsive. Physical exam reveals less wheezing than on admission. Representative lung histology is shown. Introduction Definition login to view 6 more bullets Classification Types login to view 29 more bullets Presentation Symptoms login to view 4 more bullets Physical exam login to view 9 more bullets Imaging Chest radiograph login to view 1 more bullet Studies Labs login to view 4 more bullets Pulmonary function tests login to view 4 more bullets Methacholine challenge login to view 3 more bullets Skin testing login to view 1 more bullet Histological changes login to view 13 more bullets Treatment Acute exacerbation login to view 6 more bullets Status asthmaticus login to view 3 more bullets Maintenance treatment login to view 13 more bullets