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 a vasopressor
Intravenous fluid administration
Administration of atropine to address bradycardia
Immediate administration of high-dose methylprednisolone