Identifying Patterns of Epileptiform Discharges
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Questions and Answers

Which type of discharges occur at regular intervals and have similar morphology?

  • Brief (potentially ictal) rhythmic epileptiform discharges (BERDs)
  • Generalized periodic discharges (GPDs) (correct)
  • LPDs
  • SREDA (Subclinical EEG discharges of adults)
  • Which type of discharges are considered a rarely seen pattern and can mimic an electrographic seizure?

  • LPDs
  • Generalized periodic discharges (GPDs)
  • Brief (potentially ictal) rhythmic epileptiform discharges (BERDs)
  • SREDA (Subclinical EEG discharges of adults) (correct)
  • Which type of discharges are described in critically ill patients and neonates and can be related to epileptogenic foci in refractory epilepsy?

  • SREDA (Subclinical EEG discharges of adults)
  • Brief (potentially ictal) rhythmic epileptiform discharges (BERDs) (correct)
  • Generalized periodic discharges (GPDs)
  • LPDs
  • Which type of EEG discharge is commonly seen in myoclonic epilepsy?

    <p>Poly spike and waves</p> Signup and view all the answers

    What is the typical EEG feature of children with Lennox-Gastaut syndrome (LGS)?

    <p>Slow spike and waves</p> Signup and view all the answers

    Which type of EEG discharge is seen in primary generalized epilepsy with a normal background?

    <p>Generalized spike and waves</p> Signup and view all the answers

    What type of EEG discharge can be seen with focal structural lesions and after the resolution of partial-onset status epilepticus?

    <p>Lateralized periodic discharges (LPDs or PLEDs)</p> Signup and view all the answers

    Which type of epileptiform discharge is characteristic of absence seizures but can also occur in other types of generalized seizures?

    <p>3 Hz and spike-wave</p> Signup and view all the answers

    What is the frequency range of spike-and-wave discharges at the onset and resolution?

    <p>3.5 Hz to 4 Hz</p> Signup and view all the answers

    Which type of epileptic spikes are common in benign focal epilepsy of childhood with centrotemporal spikes (BECTS)?

    <p>Horizontal dipoles</p> Signup and view all the answers

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