Abnormal Evoked Potentials, Normal MRI = What?

    
      Re: Abnormal Evoked Potentials, Normal MRI = What?
    


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Posted by ccfNeuro MD on July 21, 1997 at 15:55:44:

In Reply to: Abnormal Evoked Potentials, Normal MRI = What? posted by Linda James on July 03, 1997 at 01:48:24:

: My problem started with terrible headaches about three years ago.  This was determined to be related to a neck problem.  The symptoms progressed to included tingeling, burning and pain in my right arm and hand.  Then there came some of the same of the left side.  Three years later I am again having trouble with right side weakness including shoulder, arm and hip.  Last Oct I had the 3 evoked potentials and the auditory and brain stem tests were abnormal.  The report indicates that there were probably at least three lesions.  The MRI was normal except for one area on the right that seemed to be swollen.  My Doctor said must not be MS becasue of MRI and gave me muscle relaxers for spasms and pain meds.  My question is what exactly does the abnormal evokes mean?  Also, should I insist on a spinal to defintely rule out the MS.  The symptoms do leave at times, but each time the come back they are worse.  Sorry for such a long message.  Thanks in advance for your time.
  Linda
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Dear Linda,   Stimulating a nerve produces an electrical signal which travels along a predefined path through several