Sign Up for a Free Account

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

Sign Up for a Free Account For information on discounts, see Plans & Pricing

  • 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.

  • Listen to MedLink on the go with Audio versions of each article.

Myoclonic absence seizure of unknown (idiopathic) cause (EEG)

The illustrated absence occurred during hyperventilation with breath-counting (annotated), and it was terminated with somatosensory stimuli by tapping the patient’s shoulder (red arrow). (Used with permission from: Panayiotopoulos CP. A Clinical Guide to Epileptic Syndromes and Their Treatment. Revised 2nd ed. London: Springer, 2010.)