No way to know: It isn't reasonable to expect every transient symptom to have an exact precise explanation. Any answer would be an educated guess only. What it DOESN'T sound like is dangerous or worrisome so far. If it isn't any better or worse after 1-3 yr, it probably is nothing to worry about. But the person to listen to closest is the doctor who knows you personally. P.S. "Brain zap" is meaningless medically.
Answered 5/22/2016
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