What are atonic seizures?

Updated: May 30, 2019
  • Author: David Y Ko, MD; Chief Editor: Selim R Benbadis, MD  more...
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Answer

Atonic seizures are also called “drop attacks.” These seizures occur in people with clinically significant neurologic abnormalities and consist of brief loss of postural tone, often resulting in falls and injuries (hence, some patients need helmets). The ictal EEG correlate is similar to EEG abnormalities observed in tonic seizures.


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