unconscious, hemodynamically unstable, or critically ill -\> EMS will proceed with usual critical care (includes IV methylprednisolone as per protocol)

daily or every other day corticosteroid therapy

allergy to prednisolone or another corticosteroid

chronic lung disease besides asthma, airway anatomic abnormalities, tracheostomy, immunocompromised, traumatic injury, pregnancy, law enforcement custody, non-English speaking

Early Administration of Steroids in the Ambulance Setting

What this study is about