晕厥(Syncope)为一种急起突发的一过性意识丧失,是由于大脑一过性广泛性供血不足所致,发作过程很快,历时数秒至数分钟不等,但无需复苏处理即可完全恢复意识。晕厥需与眩晕、癫痫,癔病等鉴别。老年人维持正常血容量及血压的内环境稳定机制减损,加以心、身疾病或用药不当等诸因素,更易发生晕厥,由此常导致意外损伤。本文拟就近年来有关老年人晕厥的若干问题简述如下。病因晕厥的原因很多,可以是心血管疾病, Syncope is a sudden loss of unconsciousness caused by a transient wide blood supply to the brain. The onset of seizures can take anywhere from a few seconds to minutes, but no resuscitation is required Completely restored consciousness. Syncope need and dizziness, epilepsy, hysteria and other identification. Elderly people to maintain normal blood volume and blood pressure within the stability of the environment to reduce impairment, to heart, body disease or improper medication and other factors, more prone to syncope, which often leads to accidental injury. This article is intended to summarize some of the issues related to syncope of the elderly in recent years. Etiology Syncope for many reasons, can be cardiovascular disease,