Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

Clonic and myoclonic seizures (EMG)

Illustrative presentation of EMG recording during various types of seizure, including clonic and myoclonic seizures. Note that the only difference between clonic and myoclonic seizures is that the former are rhythmic, whereas the latter are random and irregular. (Used with permission from Panayiotopoulos CP. A clinical guide to epileptic syndromes and their treatment. Revised 2nd edition. London: Springer, 2010.)

Associated Disorders

  • Cerebrovascular stroke
  • Epilepsia partialis continua
  • Generalized tonic-clonic seizure
  • Hemiclonic seizure
  • Jacksonian march
  • Kozhevnikov- Rasmussen syndrome
  • Panayiotopoulos syndrome
  • Rolandic epilepsy
  • Todd paralysis