Juvenile myoclonic epilepsy
• Presentation:
- Age: around adolescence (mainly 12 to 18 years)
- Seizures types:
* Myoclonic seizures (always)
* GTC (80%)
* Absence seizures (50%)
* Triggers:
- Photic stimulation
- Sleep deprivation
- Hyperventilation
• Diagnosis:
- On EEG: generalized polyspike-wave discharges
• Causes:
- Genetic causes: family history of epilepsy is common (around 50%)
• Prognosis: easy to control; requires treatment for life
• Treatment: Depakote, Lamictal, Keppra, Topamaz, Zonegran