Abstract
Clinical and electroencephalographic features and the response to treatment of 30 patients with episodic dizziness due to epilepsy were noted. The symptom consisted of a brief episode of disequilibrium, often with a sensation of rotation, without evident precipitating factors or sequelae. A history of "absences" or other features suggestive of temporal lobe epilepsy was elicited in over half the patients, and seven (almost a quarter) had had one or more generalized seizures before presentation. Electroencephalography showed a posterior temporal lobe focus in all but two patients, and there was a family history of epilepsy in six. Response to treatment with phenytoin or carbamazepine was good in most patients. Epilepsy should be considered in the differential diagnosis of episodic dizziness or vertigo, especially in young people.
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Selected References
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