JLE

Epileptic Disorders

MENU

Epilepsy in an elderly patient caused by Hashimoto’s encephalopathy Volume 9, issue 3, September 2007

Figure 1 A) EEG performed in January 2005 showing sharp waves bifrontotemporally in this recording against a common reference in F7 and T3 on the left and in F8 on the right and a triphasic wave in T5 (medication topiramate 100 mg/d).B) EEG performed seven months later (August 2005) showing a normal 8-9 hertz alpha rhythm (medication - topiramate 100 mg/d and prednisolone 100 mg/d). A routine, digitized EEG (Nihon Kohden, Neurofile V2.91, Japan) with a sampling rate of 256 Hertz, a time constant of 0.3 seconds and a low pass filter of 70 Hertz, was performed. Eyes were closed during recording. Gain was 3.5 μV/mm, period of time is eight seconds.