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血管迷走性晕厥(Vasovagal Syncope,VVS)是不明原因晕厥中最常见的一种,约占50％以上。在排除严重心律失常如窦性停搏、窦房阻滞、Ⅲ°AVB和快速性室性心动过速等,以后虽然呈“良性”发作经过,但往往伴短暂的意识丧失,可能导致外伤甚至死亡。近年对VVS的研究颇受重视。倾斜试验(Tilt table test,TTT)被认为是目前诊断VVS的“金标准”,对VVS的疗效评估也有重要意义。β受体阻滞剂治疗VVS有
Vasovagal Syncope (VVS) is the most common type of unexplained syncope, accounting for more than 50%. In the exclusion of serious arrhythmias such as sinus arrest, sinoatrial block, Ⅲ ° AVB and rapid ventricular tachycardia, although after a “benign” attack, but often with a brief loss of consciousness may lead to trauma or even death. VVS research in recent years, much attention. Tilt table test (TTT) is regarded as the “gold standard” for the diagnosis of VVS at present. It is also of great significance in evaluating the curative effect of VVS. β-blocker treatment of VVS have