1、耳聋相关疾病与听力图分析Hearing loss disease & audiogram analysis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 inheritance1.先天性耳聋：出生以前的耳聋2.后天性耳聋：出生以后的耳聋postnatal after birth hearing loss
2、耳聋的分类 按病发的部位分类Hearing loss class according to inflammation part. 1.蜗前聋：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.2.蜗性聋：感应性耳聋，耳蜗本身病变。Cochlea hearing loss: sensorineural hearing loss,the cochlea has the inflammation.3.蜗后聋：神经性耳聋，大脑听中枢
3、病变。Central Hearing loss: sensorineural hearing loss, nerve center is the morbid part. 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 loss1.骨导正常Bone condition is normal.2.气导下降Air condition3.气骨导差 10 dBA-B gap is more than 10dB.传导性耳聋的听损程度
