Need physical exam: To be sure, but it could be a brachial plexus injury. You would need a thorough history and physical exam to be sure, but that is a possible cause. Any compression? Masses? Neck issues? I would check these things and be ready to discuss them with your physician as well.
Answered 1/4/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
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