很多中老年人常见的神经系统疾病,首发自觉症状均为眩晕。眩晕主要是前庭功能病损所引起,包括周围性眩晕,主要疾病有美尼尔氏病、迷路炎、迷路震荡等;中枢性眩晕,多见于椎—基底A供血不全、脑肿瘤、脑积水、脑干疾病、后颅窗蛛网膜炎等。临床上较为常见的疾病为椎—基底A供血不全、美尼尔氏病、迷路炎和迷路震荡。 椎—基底A供血不全 由于中老年人血液的粘稠度增高,血流缓慢,血管弹性不好,加之心脏功能欠佳,特别患椎动脉型颈椎病患者更易发生椎—基底动脉供血不全。首发症状为头晕,特点为清晨及上午症状较轻,下午特别是傍晚症状越来越重,眩晕的同时出现颈部和 Many common diseases of the elderly in the nervous system, the first episode of symptoms are vertigo. Vertigo is mainly caused by the vestibular function lesions, including peripheral vertigo, the main diseases are Meniere’s disease, labyrinthitis, lost shock; central vertigo, more common in vertebral - basal A insufficiency, brain tumors, hydrocephalus , Brain stem disease, arachnoid arachnoiditis and so on. Clinically, the most common diseases are vertebrobasilar insufficiency, Meniere’s disease, labyrinthitis and labyrinthine shock. Vertebrobasilar insufficiency due to the increased viscosity of the blood in the elderly, slow blood flow, poor blood vessel elasticity, combined with poor heart function, especially in patients with vertebral artery-type cervical spondylosis vertebral-basilar insufficiency. The first symptom is dizziness, characterized by mild symptoms in the morning and morning, the afternoon, especially in the evening more and more severe symptoms, dizziness, neck and neck