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Table 184-1

Classification of Seizuresa

  1. Focal Onset

    (Can be further described as having intact or impaired awareness, motor or nonmotor onset, or evolve from focal to bilateral tonic clonic)

  2. Generalized Onset
    • Motor

       Tonic-clonic

       Other motor (e.g., atonic, myoclonic)

    • Nonmotor (absence)
  3. Unknown Onset

    (Can be further described as motor or nonmotor, or unclassified)

a Based on the new 2017 International League Against Epilepsy classification of seizure types (Data from Fisher RS et al: Epilepsia 58:522, 2017).