眩晕是一种由于空间定向感和平衡功能失调的自我感觉症状,病人感到自己或周围的景物发生旋转、移动、摇晃或不稳定,常伴有站立不稳、共济失调、眼球震颤、面包苍白、出汗、恶心、呕吐,以及心率和血压的变化。机体对空间定向和平衡功能的维持,主要依靠前庭系统、眼以及肌肉—关节本体感觉系统,在大脑皮层的统一调节下,协同维持和完成。其中前庭系统是维持人体 Dizziness is a self-perceived symptom of spatial orientation and balance dysfunction. Patients feel their own or surrounding scenery rotating, moving, shaking or unstable, often accompanied by standing instability, ataxia, nystagmus, pale bread , Sweating, nausea, vomiting, and changes in heart rate and blood pressure. Maintaining the spatial orientation and balance function depends on the vestibular system, the eye, and the muscular-joint proprioception system, which is coordinated and maintained under the unified regulation of the cerebral cortex. The vestibular system is to maintain the body