In the lab this morning for blood test, had a strange experience. I've had gallons of blood drawn over the years and needles do not bother me, but today, just after the nurse stuck the needle in and started to draw I had a very sharp stinging and burning sensation that began halfway between the elbow and wrist and continued to the wrist. She withdrew the needle, switched arms and everything went well after that. The pain subsided very slowly, and I can still feel it a couple of hours later. Anyone have any idea what happened?
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