P454: Coincidence of non-convulsive epileptic seizures and stimulation-on phases in a patient with deep brain stimulation of thalamic anterior nuclei

period preceding the fatal seizure, compared with values measured one day and six month before, and also higher than the pre-ictal values in a group of 10 patients with generalised tonic-clonic seizures. This unfortunate case documented during video-EEG monitoring indicates that seizure-induced cardiac dysrhythmia can lead to SUDEP, and suggests that patients with increased parasympathetic activation in the pre-ictal period might have an increased risk of SUDEP in the period following the seizure.