Neuroimmunology
Radiologically isolated syndrome
Feb. 18, 2023
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Toll Free (U.S. + Canada): 800-452-2400
US Number: +1-619-640-4660
Support: service@medlink.com
Editor: editor@medlink.com
ISSN: 2831-9125
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The EEG shows an abrupt decrease of amplitude and slowing of alpha rhythm on the occipital leads of the left hemisphere, followed by sharp theta waves on temporal-occipital leads in the same region, evolving to high-voltage spike-wave activity at 3.5 Hz diffuse on the fronto-temporo-parietal leads of the left hemisphere. The seizure consisted of hyperventilation and shortness of breathing at its very onset, followed by bilateral piloerection associated with a feeling of cold and then hot with sweating, nausea, and diffuse weakness while the patient’s awareness remained completely preserved. The seizure occurred in a 53-year-old man affected with lesional mesial temporal lobe epilepsy hamartomatous. (Contributed by Dr. R Cremascoli.)