A.發(fā)作性頭暈 B.耳聾 C.耳鳴 D.耳脹滿(mǎn)感 E.眩暈
A.250~1000Hz氣導(dǎo)聽(tīng)力改善≥5dB B.250~1000Hz氣導(dǎo)聽(tīng)力改善≥10dB C.250~1000Hz氣導(dǎo)聽(tīng)力改善≥15dB D.250~1000Hz氣導(dǎo)聽(tīng)力改善≥20dB E.250~1000Hz氣導(dǎo)聽(tīng)力改善≥25dB
A.自描測(cè)聽(tīng)曲線(xiàn)多為Ⅱ型 B.AP的振幅—聲強(qiáng)函數(shù)曲線(xiàn)斜率變小 C.短增量敏感指數(shù)試驗(yàn)提示重振現(xiàn)象 D.SP/AP異常增加 E.鐙骨肌反射閾與純音聽(tīng)閾差縮小