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SELF LIMITED FAMILIAL AND NON-FAMILIAL INFANTILE EPILEPSY

Background

The background EEG is normal. Focal slowing may occur but should not be persistent in one area.

CAUTION Diffuse slowing of the EEG background right arrow consider other epilepsy syndromes.

CAUTION Persistent focal slowing in one area right arrow consider structural brain abnormality.

Interictal

Interictal EEG is typically normal.

CAUTION Focal spikes shifting from one region to another in sequential EEGs right arrow consider epilepsy of infancy with migrating focal seizures.

Activation

A variant with midline spikes during slow sleep has been described.

Ictal

Seizures are accompanied by focal discharges and may spread to both hemispheres, if this occurs the ictal discharge often ends in the contralateral hemisphere to the side of seizure onset. The seizure onset may vary from lobe to lobe or from hemisphere to hemisphere in different seizures in the same patient.

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