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目的用阳性标准对２４０例脑梗塞患者的ＥＥＧ进行分析。方法对经ＣＴ扫描确诊的脑梗塞患者进行清醒脑电图描记，用脑电图的“阳性标准”综合分析其脑波变化。结果脑波阳性率高低与检查时间、病程中是否有过意识障碍或精神异常、病灶深浅及肢瘫程度有关，而与梗塞为单侧性或双侧性、患者为老年或非老年无关；大血管分枝脑梗塞的脑波均为阳性，且均呈现为局限性慢波。结论脑梗塞早期作ＥＥＧ检查有重要价值，用脑电图诊断的“阳性标准”比异常率更适用于所有脑卒中患者。
Objective To analyze the EEG of 240 patients with cerebral infarction with positive standard. Methods The patients with cerebral infarction diagnosed by CT scan were soberly EEG, and their electroencephalogram was analyzed by “positive standard” of EEG. Results The positive rate of brain wave positive rate was related to examination time, whether there was consciousness disturbance or mental abnormality during the course of disease, the depth of the lesion and the degree of limb paralysis, but unilateral or bilateral infarction, and the patients were unrelated to senile or non-senile age. Cerebral waves of vascular branch cerebral infarction were positive, and all showed limited slow wave. Conclusions Early EEG examination of cerebral infarction is of great value. The “positive standard” diagnosed by EEG is more suitable for all stroke patients than the abnormal rate.