文档介绍：耳聋听力图分析
耳的症状学 Ear semeiology
耳痛otalgia
耳漏Otorrhea
耳痒ear itch
耳鸣tinnitus
耳聋hearing loss
眩晕vertigo
面瘫
face paralysis
耳后肿胀
tumefaction
耳聋的分类
按耳聋病发的时间分类
antenatal pre- birth hearing loss inheritance
：出生以前的耳聋
：出生以后的耳聋
postnatal after birth hearing loss
遗传
遗传
非遗传
非遗传
耳聋的分类
按病发的部位分类
Hearing loss class according to inflammation part.
：传导性耳聋，外耳、中耳病变。
Pre-cochlea hearing loss: conductive hearing loss,
external ear and middle ear have inflammation.
：感应性耳聋，耳蜗本身病变。
Cochlea hearing loss: sensorineural hearing loss,the
cochlea has the inflammation.
：神经性耳聋，大脑听中枢病变。
Central Hearing loss: sensorineural hearing loss,
nerve center is the morbid part.
感音神经性耳聋
传导性耳聋
耳聋的分类
Conductive hearing loss
传音性（传导性、蜗前聋）
Sensorineural Hearing loss
感音神经性（蜗性、蜗后聋）
Mixed hearing loss
混合性
Centrum Hearing loss
中枢性（蜗后聋）
传导性耳聋 Conductive hearing loss
正常听力图 The normal audiogram
频率
Frequency on the x-axis
声强
Intensity on the y-axis
Frequency range:
125 - 8000 Hz
Intensity range:
-10 - 120 dB
(air conduction)
Example of Conductive hearing loss
传导性耳聋 Conductive hearing loss
Bone condition is normal.
Air condition
> 10 dB
A-B gap is more than 10
dB.
传导性耳聋的听损程度