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Why is an evoked potentials test done?
Evoked potentials tests may be done to check problems with nerves. These tests can also help confirm the diagnosis of certain nerve conditions, such as multiple sclerosis. They are also used to monitor nerves during certain surgeries.
What do the results of an evoked potentials test mean?
Normal
The time between the stimulation and the brain's response is within the normal range.
Abnormal
The time between the stimulation and the brain's response is longer than expected. This can be due to problems with nerves that were tested. Some people will have an abnormal result but not have any symptoms in the areas tested.
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