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前言晕厥是由于机能性的原因引起的一过性短时间的意识丧失现象。晕厥的发病机制是由于脑循环障碍或代谢降低所致,发病原因有的是以脑或脑血管器质性病变为基础,有的由于植物神经、心脏及大血管等的病变。故临床上表现晕厥发作时,应首先想到与一过性脑缺血发作相关的各种类型的脑血管疾病,还应注意到有的晕厥不只是一过性的症状,而是以种种形式反复发作,可能造成严重的预后,故应给以必要的、适当的处理。
Preface Syncope is due to functional reasons caused by transient loss of consciousness in a short time. The pathogenesis of syncope is due to cerebral circulation disorders or reduced metabolism, some of the causes of cerebral or cerebrovascular organic disease is based, and some due to autonomic, cardiac and major vascular lesions. Therefore, clinical manifestations of syncope should first think of a type of cerebrovascular disease associated with a transient ischemic attack, should also be noted that some syncope is not just a transient symptoms, but repeated in all forms A seizure, which may have a serious prognosis, should be given the necessary and appropriate treatment.