and Epilepsy癫痫课件.ppt

Seizures and Epilepsy Professor of Neurology Simple partial seizure Li, G, (373637) male 14 years-old Flashing sensation for recent 2 years，sometimes followed by convulsions, once every two months CT：cysticercosis Interictal EEG：2Hz slow waves on the left occipital areas. Ictal EEG：Rhythmic sharp waves of 8-10 Hz on the left occipital areas. Simle partial seizue（SPS） Chen C，male，10 years-old Episodes of right arm shaking and contractions, sometimes followed by convulsion. Interictal EEG：Spikes at the left parietal electrodes. Ictal EEG: 1-2 Hz slow rhythmic waves and spikes. Complex partial seizure Zhang DM, male, 48 years-old In the recent 3 years, he experienced smell hallucination. In the past 1.5 years, he experienced frequent episodes of consciousness loss, with eyes staring, often with swallowing or chewing. Interictal EEG：Sharp waves at right sphenoid electrode. Ictal EEG：Rhythmic sharp waves at right temporal electrodes. Absence seizure Zhang,Y. female, 10 years-old, Consciousness loss for recent 3 years, each episode lasts for several seconds, several times per day. Neurologic examination was normal. Interictal EEG：Bilateral synchronized bursts of symmetrical 3 Hz spike and waves, lasting for 11-15 s, especially elicited when hyperventilation. Ictal EEG： Several episodes of consciousness loss were captured with bilateral 3 Hz spike and waves. Myoclonic seizures Qu, QY, male, 4 years-old Limb jerks in the recent year Interictal EEG：spike and wave, or sharp and wave on bilateral fronto-temporal areas. Ictal EEG：polyspike-and-waves. Tonic seizure Liu JT, male, 5 years-old Frequent episodes of convulsions，often during sleep. Interictal EEG ：Slow waves on bilateral frontal and temporal areas. Ictal EEG：Fast activities followed by 6-8 Hz rhythmic sharp waves lasting for 16 s, on the bilateral frontal areas. Tonic-clonic seizure Song CY, female,7 years-old Episodes of convulsions for 7 years with normal neurologic examination. Interictal EEG: Slow wav