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聽力操作 (SDT 語音辨識率檢查 (or WRS, :warning:monosyllabic words 單字詞, W‐22…

- - - - 膽酯瘤→TM穿孔/耳垢栓塞/中耳積水
        
        No peak
    - - 耳硬化/有疤痕/膽酯瘤/聽小骨分離(或斷裂)
        
        Ytm <0.3 mmho
    - - 正常
        
        1.4 mmho > Ytm >=0.3 mmho
    - - 耳咽管疾病/
        中耳炎快好的時候
        
        中耳壓力為負壓
    - - 老年化、反覆性中耳炎
        
        Ytm >1.4 mmho
    - - Ytm (mmho)
      - TW (daPa)
        
        TW is at ½ of peak Ytm
        
        identifying ears with MEE
      - Vea (cm3)