A 35-year-old male is airlifted after a car accident with signs of internal bleeding. He is hypotensive, tachycardic, and has cool, clammy skin. What is the most appropriate immediate intervention to manage his condition?
Administering isotonic IV fluids
Initiating non-invasive ventilation
Starting a continuous infusion of vasopressors
Administering a large bolus of hypertonic saline