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患者,女,26岁,1997年10月12日来院就诊.一天前因去迪厅,室内音乐噪声过强,在其间呆了三个小时后,当即感耳痛、耳闷、高音调耳鸣,继之听力明显下降,左耳重,来院就诊.身体检查,一般情况好,心肺及血压均正常,右耳鼓膜正常,左耳鼓膜轻度内陷,紧张部后方充血,未见穿孔,纯音听阈检查双耳显高频感音神经性聋,在3、4、6kHz气导为30、50、25 dB HL,其气骨导阈值均≤20 dB,声导抗测试双耳鼓室导抗图为
Patient, female, 26 years old, came to hospital on October 12, 1997. One day ago due to go to disco, indoor music noise is too strong, during which spent three hours immediately after the earache, ear boredom, high pitched tinnitus, Followed by significantly decreased hearing, left ear weight, to the hospital for treatment. Physical examination, good general condition, cardiopulmonary and blood pressure were normal, normal right eardrum, left eardrum mild invagination, tension Department rear hyperemia, no perforation, pure tone hearing threshold Check both ears were high-frequency sensorineural hearing loss, air conduction at 3, 4, 6kHz 30,50,25 dB HL, the air-conduction threshold were ≤ 20 dB, the acoustic impedance test binaural tympanogram is