耳鸣系自觉耳内作响,为听觉机能紊乱的常见症状,纯为一种主观性感觉。耳鸣的发病率与年龄有关,儿童极为少见,至中年后可因情绪波动、焦虑不安、睡眠不足、精神紧张而发生耳鸣。通常有些人仅有耳鸣,而另一些人除有耳鸣外,还伴有耳聋,一股是先出现耳鸣,过了一段时间渐渐听力下降。多数是由于全身因素(如高血压、低血压、贫血等)引起,此种耳鸣常无耳聋表现;如由耳部疾 Department of tinnitus conscious ear ringing, common symptoms of hearing disorders, pure as a subjective feeling. The incidence of tinnitus and age-related, children are extremely rare, middle age may be due to mood swings, anxiety, lack of sleep, mental stress and tinnitus. Usually only some people have tinnitus, while others have tinnitus, but also accompanied by deafness, one is the first to appear tinnitus, after a period of hearing gradually decreased. Mostly due to systemic factors (such as hypertension, hypotension, anemia, etc.) caused by such tinnitus often no deafness performance; such as ear disease