20xx年醫(yī)學(xué)專題—抗癲癇和抗驚厥藥antiepileptic-展示頁
2024-11-15 01:52本頁面
【正文】 癲癇(diānxi225。ngyīn)引起腦灰質(zhì)N元群過度放電。n)（Epilepsy）Epilepsy is a neurological disorder characterized by short, recurrent electrical malfunctions of the brain which leads to changes in muscle activity, sensation and consciousness.,第一頁，共二十四頁。)具有突然性、暫短性、反復(fù)性。)性、短暫性大腦功能失調(diào)綜合癥。第13章 抗癲癇和抗驚厥藥Antiepileptic and anticonvulsive drugs,167。1 抗癲癇藥,是一種發(fā)作(fāzu242。發(fā)作(fāzu242。,1.癲癇(diānxi225。,不同病因(b236。局部病灶神經(jīng)元同時去極化產(chǎn)生陣發(fā)性異常高頻放電，病灶異常放電向病灶周圍正常腦組織擴布，致腦組織廣泛興奮,出現(xiàn)特有驚厥癥狀。n)發(fā)作可能的原因,向腦內(nèi)注射谷氨酸可誘發(fā)異常高頻放電，向腦內(nèi)注射GABAA受體拮抗劑也可誘發(fā)異常高頻放電。ngh233。,Many factors may contribute to the onset of epilepsy. Brain damage related to birth Brain abnormalities present before birth Brain infections Brain tumors Abnormalities in blood vessels of the brain Head injuries Drug or alcohol abuse Lead poisoning Family history of seizure disorders Stroke Low blood sugar,第三頁，共二十四頁。,A.全身性發(fā)作(fāzu242。n)大發(fā)作(強直陣攣性發(fā)作) 俗稱羊癲風(fēng)。)類型,2) 癲癇持續(xù)狀態(tài)：短時間連續(xù)發(fā)生大發(fā)作，處于昏迷狀態(tài)且間歇期逐漸縮短，體溫升高。,3) 癲癇小發(fā)作（失神發(fā)作）：兒童多見。無驚厥。無記憶(j236。)。,4) 肌陣攣性發(fā)作：肌肉(jīr242。分為嬰兒痙攣、兒童肌陣攣、青春期后肌陣攣。),1)單純性限局性發(fā)作：一側(cè)肢體或面部肌群發(fā)生陣攣性痙攣或一側(cè)肢體感覺異常。,2)綜合性限局性發(fā)作（精神運動性發(fā)作）：意識模糊，行為異常。,第六頁
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