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Subject #6, simultaneous video-EEG/EKG recording: ictal asystole during a focal seizure arising from the right frontal lobe. The EEG shows a rhythmical spike-and-wave discharge over right fronto-temporal regions and vertex, subsequently spreading to the homologous contralateral regions. The EKG documents a seizure-related change in cardiac activity, consisting of bradycardia, starting 8 s after seizure onset and evolving in asystole (duration: 20 s).
