Benign myoclonic epilepsy of infancy
• Presentation:
- Age: 6 month to 3 years
* Seizure types:
- myoclonic seizures
- 3 of 10 are triggered by lights or startle
- Some happen with fever (febrile seizures)
• Diagnosis:
- EEG:
* Ictal EEG (during seizure): polyspike-wave
* Interictal EEG(between seizures): normal
* Genetic testing. Sodium channel gene (SCN1A)
• Causes:
- Unknown
• Prognosis:
- Development: normal in most cases
- Remission with rare predisposition for grand mal seizures later in life
• Treatment:
- Only for a few years
- Valproic acid (Depakote)