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Neurology (Expert Forum)
EMG impression - axonal
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EMG impression - axonal
by Linda, Apr 30, 2000 12:00AM
I have an EMG impression as follows: "This study would be compatible with an underlying axonal sensory motor polyneuropathy." I have been trying to find more info on axonal versus demyelinating and not having much luck. I am being worked up by rheumatologist and neurologist. All of the lab work by the rheumatologist was normal except for a slightly positive ANA, but I have had joint changes in my fingers (index fingers are turning out) Can peripheral neuropathy also cause joint changes? The doctors don't seem to think these changes are a big deal but they are to me as I am a medical transcriptionist and I have constant pain in my index fingers and numbness and shooting pains off and on in all of my fingers.
I first saw a neurologist this past week, he did not have the results of my EMG yet and he sent me for more lab work and I am to go back in a couple of weeks. From what I have read I am sure I have peripheral neuropathy and will be given that diagnosis but I am worried about the changes in my hands. Any information you can give me is very much appreciated in regards to my EMG results.
I first saw a neurologist this past week, he did not have the results of my EMG yet and he sent me for more lab work and I am to go back in a couple of weeks. From what I have read I am sure I have peripheral neuropathy and will be given that diagnosis but I am worried about the changes in my hands. Any information you can give me is very much appreciated in regards to my EMG results.
Doctor's Answer
by CCF Neuro[P] MD, RPS, Apr 30, 2000 12:00AM
Dear Linda:
Most likely, it would be the etiology of the lesion (finger displacement) that would be the cause of the peripheral neuropathy and joint changes. It sounds like it might be carpel tunnel, which would be compatible with the sensory neuropathy. This would be the reason for the pain, and likely it wakes you up at night and also if you shake your hands vigorously, it makes things better.
There is a slowing of the conduction velocity in a sensory neuropathy. This is due to demyelination caused by the compression of the axon by the small area it passes through in the wrist. This compression could be from the constant pounding of the key board and the resulting inflammation. A trial of anti-inflammatory agents and night-time bracing may help matters.
Sincerely,
CCF Neuro MD
Most likely, it would be the etiology of the lesion (finger displacement) that would be the cause of the peripheral neuropathy and joint changes. It sounds like it might be carpel tunnel, which would be compatible with the sensory neuropathy. This would be the reason for the pain, and likely it wakes you up at night and also if you shake your hands vigorously, it makes things better.
There is a slowing of the conduction velocity in a sensory neuropathy. This is due to demyelination caused by the compression of the axon by the small area it passes through in the wrist. This compression could be from the constant pounding of the key board and the resulting inflammation. A trial of anti-inflammatory agents and night-time bracing may help matters.
Sincerely,
CCF Neuro MD
Member Comments (2)
by Denise Albrandt, May 11, 2000 12:00AM
I am new to arm and neck pain and have been suffering for a couple months. After several appointments, X-rays, and physical therapy, my doctor has referred me to a neurologists for tests. I would like to hear from anybody who has had a EMG, Spinal Tap, etc. to tell me what I should expect and how much pain is involved in these processes. I know we all range in pain tolerence, but the thought of needles makes me really unconfortable. I would like to know what I am up against!
