You seem to have developed symptoms of concussion
If your Vision is normal,if there is no drowsiness
or slurring of speech,if there is no bleeding from mouth,ear and nose,if there is no double vision
,then there should not be any problem.
You must rest and observe your symptoms for next 48 to 72 hours.
If you find any of the above mentioned symptoms,then you must go to ER and get examined and an MRI
As far as sensations of pins and needles in thumb are concerned,they should be all right soon.