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A member asked:

Spasm / twitch in vein through left thumb from wrist. been happening for a week. slight intermittent pangs of pain. unsure if dehydrated or if theres a blockage or impingement?

A doctor has provided 1 answer
Dr. Joseph Sucher answered

Specializes in Trauma Surgery

Not vein: Localized spasms in the extremities are common. It has nothing to do with your vein or artery. A blockage to the vein would result in swelling. A blockage of the artery would result in pain and ischemia to the thumb. You are likely correct in assuming some electrolyte imbalance and or dehydration.

Answered 11/16/2017

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