The Clinical Scenario A 35-year-old professor presents to the emergency department with marked dyspnea. He reports a history of asthma, for which he takes salbutamol, which is his only medication. Over the past 3 years, he has been coughing and wheezing with increasing severity. He has been using his inhaler every two hours with minimal effect. En route to the ED, EMS administered 10 mg of nebulised salbutamol. Upon arrival, the patient appears …