A 23-year-old patient has arrived at the emergency department following a motor vehicle accident. The patient exhibits bradycardia, hypotension, and warm, dry skin. Which intervention is the BEST initial step in managing suspected neurogenic shock in this patient?
Immediate administration of high-dose methylprednisolone
Intravenous fluid administration
Administration of atropine to address bradycardia
Immediate administration of a vasopressor