What Causes Pounding Headache With Dizziness?

My 12 year old daughter has just fallen off a trampoline on to a Tarmac drive. She has no obviously swelling, but is complaining of a pounding headache and feelin dizzy. She said it hurts on the right temple and side of her head. This is what took the impact. Her pulse is 95. I have put a cold compress on her head and sitting with her. What do you advise I do pls.