Neurologic aspects of burn injuries
Jan. 08, 2024
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Interictal EEG (top) showing typical abandoned centrotemporal spikes. Ictal EEG started in the right central and midtemporal regions with 2- to 3-Hz slow waves and irregular, random, and monophasic medium-voltage spikes intermixed and superimposed on the slow waves (middle and bottom). This activity tended to spread, and the amplitude of the spikes rapidly increased before the first clinical manifestation, which occurred 30 seconds from the onset of the EEG ictal changes. The clonic phase was characterized by generalized polyspikes interrupted by slow waves at 5 to 7 Hz, which gradually slowed to 4 to 5 Hz, and finally to 1 to 2 Hz. The polyspike discharges were maximal posteriorly, with some right-sided emphasis. The electrical event of polyspikes and slow wave at 1 to 1.5 Hz continued for 60 seconds after the cessation of the clinical events. Used with permission: Panayiotopoulos CP. The Epilepsies: Seizures, Syndromes and Management. Oxford: Bladon Medical Publishing, 2005.