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Convulsive Status Epilepticus 

Convulsive Status Epilepticus
Convulsive Status Epilepticus

Frank W Drislane

, Susan T Herman

, and Peter W Kaplan

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date: 01 October 2020

Generalized convulsive status epilepticus (GCSE) is a serious neurologic illness causing unresponsiveness, major physiologic disturbances, risk of injury and, if prolonged enough, neuronal damage. Causes are many, and the outcome often depends as much on the etiology as on the epileptic seizure itself. Several anti-seizure medications are used in treatment of GCSE, but some cases continue electrographically when clinical convulsions cease (nonconvulsive SE), and EEG is essential in their diagnosis. About 20% of cases become refractory to initial treatment, and the EEG becomes even more crucial in diagnosis and management. This chapter also covers other forms of SE with significant motor manifestations including: focal motor status (including epilepsia partialis continua); myoclonic status, which includes some relatively benign forms as well as some with a very poor prognosis; and clonic and tonic status. It reviews the many different EEG findings in those forms of status, and the use of EEG in their treatment and management, especially in prolonged cases.

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