复发性眩晕而缺乏耳蜗症状的病人,诊断常含糊不清.作者对7例患复发性前庭紊乱的病人进行临床观察,并指出其特徵和血管痉挛的病原学,观察的对象不包括有以下病史者:明显耳鸣或听力丧失,头部外伤或可疑的脑血管疾病.所有病人除了只在眼震电图检查中发现前庭系统有异常(眼球震颤)外,耳科学和神经病学检查均正常.发病年龄9～55岁,女5例,男2例,病人的主诉几乎相同.眩晕发作常呈急性而没有预兆.初期症状严重,常要躺下,但不伴有呕吐.经过1分到24小时(通常半——四小时),此急性眩晕将消退,但随之有一时期的位置性眩晕.它只发生于头部运动或将头部 Recurrent vertigo and lack of cochlear symptoms, the diagnosis is often ambiguous.The authors of 7 patients with recurrent vestibular disorders in clinical observation and pointed out its characteristics and vasospasm etiology, the observed subjects do not include the following history Obvious tinnitus or hearing loss, head injury, or suspicious cerebrovascular disease All patients had normal otologic and neurological examinations except that abnormal vestibular systems (nystagmus) were found only during electronystagmography. Age 9 to 55 years old, 5 females, 2 males, the patient’s chief complaint is almost the same .Dizziness episodes often acute and without warning .In early symptoms, often lying down, but not associated with vomiting.After 1 minute to 24 hours (Usually half to four hours), this acute dizziness will subside, but then there is a period of positional vertigo.It occurs only in the head movement or the head