PMC8552152_01
Electroencephalography of the patient showing brackground brain activity slowing and sporadic diffuse triphasic waves in intervals up to 1-2s, slightly predominant on the right hemisphere.
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F1
Neuroimaging studies (brain and cervical MRI without contrast; online supplemental figures 1-5) showed no significant findings. E were also negative, as well as tuberculosis and Tropheryma whippelli studies. Electroencephalography showed background brain activity slowing and sporadic diffuse triphasic waves in intervals up to 1-2 s slightly predominant on the right hemisphere; these discharges lasted up to 8 s (figure 1).