在临床上，常见患者有单侧听力损失伴前庭症状的患者，诊查医生通常认为症状由耳蜗后病变引起，这意味着需要长时间的，昂贵的影像学检查。为寻找一个即可有效做出诊断又可减少检查费用的方法，对1993年4月1日～1994年3月31日间加拿大FOOthilliS省医院310名表现为非对称性听力 Clinically, patients with unilateral hearing loss and vestibular symptoms are common and the examiner often thinks the symptoms are caused by a post-cochlear lesion, which means long, expensive imaging studies are required. In order to find a way to make an effective diagnosis and to reduce the cost of examinations, 310 cases of FOOthilliS Provincial Hospital from April 1, 1993 to March 31, 1994 were shown to be asymmetrical