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Numb finger after getting jammed around joint

After the joint near the tip of my index finger got jammed in a car window 2 weeks ago, about a third of the fingertip is numb and I don't feel anything with it. And if I tap the joint, it feels like there's electricity running through the numb part. Other than that, I can still move my finger normally.

Anyone knows if this would heal over time? Should I really need to have it checked, because I'm not sure if my insurance cover that, so I would avoid going to doctors if I could.
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replied September 29th, 2013
You probably injured a a local sensory nerve branch in the finger. It should not affect the movements. Depending of the extent of the injury the sensation might or might not come back. By Andre Strizhak

Providing Top Neurology Services in the New York area. Excellence in treating headaches, dizziness, and head pain.
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