眩晕是临床常见的症状。其特性和方式多种多样,病因亦千差万别。前庭性眩晕,包括内耳(前庭末梢)及其中枢(小脑及脑干)系某处器质性障碍或功能性障碍时发生的眩晕。旋转性眩晕发作一次即结束,此后有反复发作的病史,典型的病例是美尼尔氏症。它为什么会反复发作眩晕?至今仍是个谜。 Dizziness is a common clinical symptom. Its characteristics and ways of a variety of causes are also vastly different. Vestibular vertigo, including dizziness that occurs when the inner ear (vestibular end) and its central (cerebellum and brainstem) system is a structural or functional disorder somewhere. Rotational vertigo attack is over, once the history of recurrent, the typical case is Meniere’s disease. Why is it repeated attacks dizziness? It is still a mystery.