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Article
January 1988

Ambulatory Cassette Electroencephalography of Psychiatric Patients

Author Affiliations

From the Department of Neurology, Yale University School of Medicine, New Haven, Conn; and the Veterans Administration (VA) Medical Center, West Haven, Conn.

Arch Neurol. 1988;45(1):71-74. doi:10.1001/archneur.1988.00520250077024
Abstract

• Indications and results of ambulatory cassette electroencephalography obtained on 133 hospitalized psychiatric patients were reviewed. Interictal epileptiform abnormalities were detected in 15 patients (11%), of whom six had an established diagnosis of epilepsy. Actual seizures were recorded in two patients, of whom one had an established diagnosis of epilepsy. Subclinical seizure activity was detected in only one patient, who also experienced overt seizures. Routine screening of psychiatric patients with ambulatory cassette electroencephalography does not seem to be justified, although the test can provide useful adjunctive evidence to support the diagnosis of epilepsy and clarify the nature of suspicious clinical episodes in selected patients.

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