A 7-year-old boy is brought to clinic because his teacher has noticed multiple daily episodes during which he suddenly stares blankly for 10 seconds and then immediately resumes speaking. There is no loss of postural tone, tongue biting, or postictal confusion. Physical examination is normal. Hyperventilation during the visit reproduces the event. Which of the following is the most likely diagnosis?

  1. A)Juvenile myoclonic epilepsy
  2. B)Focal impaired awareness seizure
  3. C)Febrile seizure
  4. D)Psychogenic nonepileptic seizure
  5. E)Absence seizureGABARITO

Explicação

This child has classic absence seizures: brief staring spells with abrupt onset and termination, provocation by hyperventilation, and no postictal state. The underlying circuit involves thalamocortical oscillations that produce generalized 3 Hz spike and wave ... Ver explicação completa e trilha adaptativa →

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