I had a carwreck last night. My head hit the steering wheel. I have confusion memory loss headache falling?

Possible concussion. Sxs: + or – loss of consciousness, headache / pressure, can't recall event, dizziness, v coordination, ringing in ears, confusion, slurred speech, nausea / vomiting ; fatigue. For concussion seek medical care. Seek urgent treatment for loss of consciousness, on-going confusion, seizures, unequal pupils, recurrent vomiting, change in level of consciousness, loss of balance or difficulty walking.
Check up right away. Do see a neurologist right away . He can order tests such as cat scan, mri, xrays, to see if you have any brain damage. Do not delay!