What Causes Pain And Soreness In Wrist With Numbness And Tingling Sensation?

I recently had an NCV diagnostic test done to my right forearm, wrist, and fingers because of a needle stick injury in an attempt to draw blood at the doctor's office. The injury as in mid February 2010. I have residual pain and soreness in my right wrist, numbness and tingling in my right fingers, and significant loss of strength in my right arm. Results of the NCV my primary care physician (PCP) ordered showed mildly decreased conduction velocity across the elbow, and mild right ulnar neuropathy across the elbow, but now evidence of focal median neuropathy or polyneuropathy. Retruning for a follow up with the PCP, upon questioning these findings they skirted specifically stating that I had nerve damage. I need to know if I have nerve damage, and if the nerve damage was cause by the need puncturing a nerve(s). The PCP told me there was no test to determine if a needle in the area of my arm had caused the damage. The order for nerve testing the PCP gave u