Final answer:
Before transporting the patient without consent, it is important to contact medical direction for advice on how to handle the situation.
Step-by-step explanation:
When a patient is behaving abnormally and refuses treatment after falling down a flight of stairs, it is important to prioritize their well-being and safety. In this situation, the best course of action before transporting the patient without consent would be to contact medical direction for advice. They can provide guidance on how to handle the situation and ensure the patient's best interests are taken into account.