Dr. A.S. Keerthi, After 15 minute in hot steam room at the gym, I was lose perception and fall down on my back in the shower , my head had injure ( 1.5 inch) 4 weeks ago. They toke me went to the emergency room in hospital for 5 hours, and every test of me seems fine. But I still have light headache , like presser in my head and bad dizziness. Is that have some serious with my brain? or just because concussion?