Todd paralysis , also known as Todd paresis or postictal paralysis , describes transient focal neurological deficits after an epileptic seizure. The incidence of Todd paralysis, in one study of patients with seizures confirmed with video-electroencephalography monitoring, was found to be In comparison, seizure after stroke , the primary differential diagnosis for this phenomenon, occurs in 8. Todd paralysis is a heterogeneous clinical syndrome, encompassing a variety of unilateral focal neurological deficits that occur on the side of the body contralateral to the seizure focus , such as:. These clinical features manifest immediately after the seizure, and most episodes of Todd paralysis are brief, with one study finding that the clinical features lasted a median of approximately three minutes
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Much of this research focuses on finding successful methods to prevent Todd's paralysis in individuals with epilepsy. Todd's paralysis is a neurological condition experienced by individuals with epilepsy, in which a seizure is followed by a brief period of temporary paralysis. The paralysis may be partial or complete but usually occurs on just one side of the body. The paralysis can last from half an hour to 36 hours, with an average of 15 hours, at which point it resolves completely.
Todd's paralysis may also affect speech and vision. Scientists don't know what causes Todd's paralysis. Current theories propose biological processes in the brain that involve a slow down in either the energy output of neurons or in the motor centers of the brain.
It is important to distinguish Todd's paralysis from a stroke, which it can resemble, because a stroke requires completely different treatment. There is no treatment for Todd's paralysis. Individuals must rest as comfortably as possible until the paralysis disappears. Todd's paralysis is an indication that an individual has had an epileptic seizure. The outcome depends on the effects of the seizure and the subsequent treatment of the epilepsy.
Skip to main content. Submit Search. COVID is an emerging, rapidly evolving situation. Todd's Paralysis Information Page. What research is being done? See More About Research. Show More. Show Less. Search Disorders. View Full Definition. View Full Treatment Information. View Full Prognosis. Throughout the U. Related Information. Epilepsy Foundation. See all related organizations. Clinical Trials. Patient Organizations. Landover, MD Tel: ; EFA
Todd's Paralysis Information Page
This weakness typically affects appendages and is localized to either the left or right side of the body. It usually subsides completely within 48 hours. Todd's paresis may also affect speech , eye position gaze , or vision. The condition is named after Robert Bentley Todd — , an Irish-born London physiologist who first described the phenomenon in The classic presentation of Todd's paresis is a transient weakness of a hand, arm, or leg after focal seizure activity within that limb.
What is Todd's paralysis?
NCBI Bookshelf. James Mastriana ; Jeffrey L. Pay ; Roger S. Authors James Mastriana ; Jeffrey L. Pay 1 ; Roger S. Taylor 2. It most commonly affects one limb or one half of the body but can have a wide range of presentations.
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