CC BY-NC-ND 4.0 · International Journal of Epilepsy 2017; 04(01): 106-107
DOI: 10.1016/S2213-6320(17)30030-1
Teaching EEG
Thieme Medical and Scientific Publishers Private Ltd.

Teaching EEG 5: A familiar EEG pattern with atypical morphology

Sarma G.R. K.
a   Professor of Neurology, St. John's Medical College Hospital, Bengaluru, India
,
Norman So
b   Clinical Professor, Department of Neurology, University of Washington Medical Center, USA
,
Soheyl Noachtar
c   Professor & Head, Epilepsy Center, Department of Neurology, University of Munich, Germany
,
Elizabeth V. T.
d   EEG Technologist, St. John's Medical College Hospital, Bengaluru, India
› Author Affiliations
Further Information

Publication History

Publication Date:
08 May 2018 (online)

A 36-year-old lady presented with history of fever 2 weeks ago, followed by confused behavior, hallucinations and recurrent episodes of seizures. She lapsed in to coma from 5th day of illness. Her MRI showed left temporal, frontal and insular T2 hyperintense signal changes with areas of blooming on gradient ECHO MRI sequence. Her EEG done on 17th day of illness is shown in figure:

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  • References

  • 1 Chatrian GE, Shaw CM, Leffman H. The significance of periodic lateralized epileptiform discharges in EEG: an electrographic, clinical and pathological study. Electroencephal Clin Neurophysiol 1964; 17: 177-193
  • 2 Chong DJ. Hirsch. Which EEG patterns warrant treatment in the critically ill? Reviewing the evidence for treatment of periodic epileptiform discharges and related patterns. J Clin Neurophysiol 2005; 22: 79-91
  • 3 Schwartz MS, Prior PF, Scott DF. The occurrence and evolution in the EEG of a lateralized periodic phenomenon. Brain 1973; 96: 613-622