Final answer:
The patient with severe trauma should be provided with immediate first aid, including immobilization of the head and neck, and CPR if necessary, without moving them until emergency services arrive. Internal bleeding and organ damage are primary concerns that must be managed by medical personnel.
Step-by-step explanation:
The best course of action for a patient with severe trauma from a fall is to immediately call for emergency medical assistance and provide basic first aid without moving the person unless it is absolutely necessary. This includes immobilizing the head and neck to prevent further injury, providing CPR if the heart stops, and controlling bleeding. Special care must be taken due to the potential for a head injury, indicated by the large hematoma on his head and the possibility of a traumatic brain injury, which can lead to immediate death or disability. As the patient has multiple injuries, including possible fractures, immobilization of the head and neck is critical to avoid additional complications such as permanent paralysis.
Once medical personnel arrive, a thorough assessment and advanced medical intervention is crucial. Considering the patient's unstable chest wall and long bone fractures, additional risks include internal bleeding and damage to internal organs. Therefore, managing shock, ensuring adequate ventilation, and stabilizing fractures will also be important priorities. If the patient's condition requires a blood transfusion and there is no time to determine the blood type, type O negative blood would be used, as it is considered the universal donor and can be safely transfused into patients of all blood types under emergency circumstances.