Absence Epilepsy

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Absence Epilepsy

• petit mal seizures
• generally starts in childhood
  • peak age onset 4-8 years
  • commoner in girls

  • Generally stops after puberty

• may be several attacks daily

• Attacks can be precipitated by hyperventilation

• usually normal intelligence and development

• 10% risk of seizures as an adult

Attack

• occur without warning
• child stares blankly into space and stops talking
• eyes may flutter or roll up
• recovery within seconds

Investigations

• EEG typically shows 3Hz spike and wave pattern

Treatment

• sodium valproate

• ethosuximide

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