“突发性耳聋”是原因不明、突然发生的感音性聋。其表现为突然的单侧耳鸣,听力减退。往往在瞬间或72小时内听力部分丧失或全聋。部分患者伴有眩晕、呕吐,但不影响其它颅神经。本病部分患者可自行恢复,但有些亦可成为永久性聋。其发病原因和机理尚不清楚,目前比较公认的病因学 “Sudden deafness” is an unexplained, sudden onset of deafness. Its performance is sudden unilateral tinnitus, hearing loss. Often in a moment or 72 hours partial hearing loss or deafness. Some patients with dizziness, vomiting, but does not affect other cranial nerves. Some patients with this disease can be self-healing, but some can become permanent deafness. The etiology and mechanism of the disease is not clear, at present more generally recognized etiology