眩晕是临床常见主诉症状之一,由于它属于一种主观感受,又极易受精神因素和代偿功能的影响,加之其病因与发病机制也较复杂,故临床上对眩晕的病因、分类,甚至定义上看法很不统一,造成诊治上一定困难。人体平衡主要靠视觉、本体觉(深感觉)及前庭系统(平衡三联),经皮质——皮质下的调节作用来维持,如视觉,本体觉或前庭系统受到过度刺激或遭破坏功能低下时,即可产生眩晕感。一、解剖生理前庭系由三部组成: 前庭末稍器(即内耳迷路)——由互成直角的三个半规管、椭园囊、球囊组成,半 Dizziness is one of the common clinical symptoms, because it belongs to a subjective feeling, but also extremely vulnerable to mental factors and compensatory function, coupled with its etiology and pathogenesis is more complex, so the clinical cause of dizziness, classification, Even the definition of opinion is not uniform, resulting in some difficulties in the diagnosis and treatment. Mainly rely on the human body balance vision, proprioceptive (deep feeling) and the vestibular system (balanced triple), the regulation of the role of the cortical - subcortical to maintain, such as vision, proprioceptive or vestibular system is over-stimulated or damaged dysfunction, Can produce dizziness. First, anatomy and physiology The vestibular system consists of three parts: Vestibular endoscope (ie, the inner ear lost) - by the right angle of the three semicircular canal, elliptical capsule, balloon composition, half