Tag Brian is a 14-year-old known asthmatic with a 2-day history of worsening cough and shortness of breath

Brian is a 14-year-old known asthmatic with a 2-day history of worsening cough and shortness of breath. He reports using a short-acting beta agonist every 3 hours over the previous 24 hours. He has a long-acting inhaled corticosteroid, but the…