耳聋与耳鸣的关系讲诉 PPT课件.ppt
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1、耳聋听力图分析耳聋听力图分析耳的症状学耳的症状学 Ear semeiology耳痛耳痛otalgiaotalgia耳漏耳漏OtorrheaOtorrhea耳痒耳痒earitchearitch耳鸣耳鸣tinnitustinnitus耳聋耳聋hearinghearinglossloss眩晕眩晕vertigovertigo面瘫面瘫 faceparalysisfaceparalysis耳后肿胀耳后肿胀tumefactiontumefaction 耳聋的分类耳聋的分类 按耳聋病发的时间分类按耳聋病发的时间分类 antenatal pre-birth hearing loss inheritance1.1
2、.先天性耳聋:出生以前的耳聋先天性耳聋:出生以前的耳聋 2.2.后天性耳聋:出生以后的耳聋后天性耳聋:出生以后的耳聋 postnatal after birth hearing loss耳聋的分类耳聋的分类 按病发的部位分类按病发的部位分类Hearinglossclassaccordingtoinflammationpart.1.1.蜗前聋:传导性耳聋,外耳、中耳病变。蜗前聋:传导性耳聋,外耳、中耳病变。Pre-cochleahearingloss:conductivehearingPre-cochleahearingloss:conductivehearingloss,loss,extern
3、alearandmiddleearhaveexternalearandmiddleearhaveinflammation.inflammation.2.2.蜗性聋:感应性耳聋,耳蜗本身病变。蜗性聋:感应性耳聋,耳蜗本身病变。Cochleahearingloss:sensorineuralhearingCochleahearingloss:sensorineuralhearingloss,theloss,thecochleahastheinflammation.cochleahastheinflammation.3.3.蜗后聋:神经性耳聋,大脑听中枢病变。蜗后聋:神经性耳聋,大脑听中枢病变。Ce
4、ntralHearingloss:sensorineuralhearingCentralHearingloss:sensorineuralhearingloss,loss,nervecenteristhemorbidpart.nervecenteristhemorbidpart.耳聋的分类耳聋的分类 Conductive hearing loss传音性(传导性、蜗前聋)传音性(传导性、蜗前聋)Sensorineural Hearing loss感音神经性(蜗性、蜗后聋)感音神经性(蜗性、蜗后聋)Mixed hearing loss混合性混合性Centrum Hearing loss中枢性(蜗后
5、聋)中枢性(蜗后聋)传导性耳聋传导性耳聋 Conductive hearing loss正常听力图正常听力图 The normal audiogram频率频率 Frequency on the x-axis声强声强 Intensity on the y-axisFrequency range:125-8000 HzIntensity range:-10-120 dB(air conduction)Example of Conductive hearing loss 传导性耳聋传导性耳聋 Conductive hearing loss1.1.骨导正常骨导正常Bone condition is n
6、ormal.Bone condition is normal.2.2.气导下降气导下降Air conditionAir condition3.3.气骨导差气骨导差 10 dB 10 dBA-B gap is more than 10A-B gap is more than 10dB.dB.传导性耳聋的听损程度传导性耳聋的听损程度传导性耳聋的听损程度传导性耳聋的听损程度1.鼓膜穿孔。鼓膜穿孔。ABG30dBABG30dB左右左右2.2.鼓膜穿孔伴听骨链中断。鼓膜穿孔伴听骨链中断。ABG40dBABG40dB左右左右3.3.鼓膜和听骨完全缺如。鼓膜和听骨完全缺如。4.4.鼓膜完整伴听骨链中断。鼓膜
7、完整伴听骨链中断。ABG60dBABG60dB5.5.鼓膜完整鼓膜完整+听骨链中断听骨链中断+卵圆窗封闭。卵圆窗封闭。6.6.外耳道堵塞。外耳道堵塞。传导性耳聋的常见病变传导性耳聋的常见病变耳部畸形耳部畸形Ear Ear malformations耵聍栓塞耵聍栓塞Impactedearwax外耳湿疹外耳湿疹Acuteotitismedia外耳道炎外耳道炎Inflammationoftheearcanal外耳道塌陷外耳道塌陷Dentoftheearcanal耳道扩大耳道扩大Expandoftheearcanal异物异物eyewinker鼓膜穿孔鼓膜穿孔Perforated eardrum流脓流脓
8、Purulence穿孔后愈合穿孔后愈合Scar over after Perforated肿瘤或胆脂瘤肿瘤或胆脂瘤Exostoses and osteomas鼓膜疤痕鼓膜疤痕Eardrum scar鼓膜硬化鼓膜硬化Eardrum sclerosis常见的中耳疾病常见的中耳疾病 化脓性中耳炎化脓性中耳炎Suppurativeotitismedia 分泌性中耳炎分泌性中耳炎Secretoryotitismedia 耳硬化症耳硬化症Otosclerosis 听骨链固定听骨链固定Fixationoftheossicularchain 听骨链中断听骨链中断Interruptionoftheossicul
9、archain 鼓室硬化鼓室硬化tympanasclerosis感音神经性耳聋感音神经性耳聋 Sensorineural loss响度改变响度改变 Altered loudnessPoorer sensitivity to soft and intermediate soundsSome times increased sensibility to loud sounds失真失真 Distortion(missing frequencies)言语分辨率下降言语分辨率下降 Poor discrimination(especially in noise condition)耳鸣耳鸣 Tinnitu
10、s伴随症状伴随症状Associated problemsFrequency resolving abilityStach,1998 pp.96Sensorineural hearing loss1.1.气骨导都下降。气骨导都下降。AirconductivedeclineAirconductivedecline2.2.气导早期以高频下降为主,气导早期以高频下降为主,晚期低频也下降。晚期低频也下降。Highfrequencydeclineatfirsttime,thenbothdecline.3.3.气骨导差气骨导差 10 dB 10 dB 10 dBA-B gap is more than 10
11、dBA-B gap is more than 10dB耳聋分类耳聋分类时间时间-congenital&acquired-congenital&acquired性质性质-organic&functional/psychogenic-organic&functional/psychogenic部位部位-conductive,-conductive,sensorineuralsensorineural&mixed&mixedcochlear,retrocochlear&cochlear,retrocochlear¢ralcentral病因病因耳聋病因耳聋病因中耳疾病及耳硬化症中耳疾病及耳硬化
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