High frequency hearing loss: often occurs in patients with sensorineural deafness. It is difficult for patients to hear high frequency consonants such as C, s, x, Q, J, etc.
Poor verbal comprehension: they often feel that others are vague.
Rejuvenation phenomenon: Patients with cochlear sensorineural deafness have rejuvenation phenomenon. They may not be able to hear a medium intensity sound, but if the intensity of the sound increases a little, they find it unbearable. The sensorineural deafness caused by the damage of auditory nerve will not be revived.
Tinnitus: Patients with sensorineural deafness often have tinnitus, which usually occurs before deafness. Tinnitus is a high frequency sound, usually on one side, sometimes on both sides, but only the heavier side is noticed. The use of hearing aids can often reduce or eliminate tinnitus, but central tinnitus and objective tinnitus are ineffective.
Vertigo: an illusion caused by vestibular lesions in the inner ear. When vertigo occurs, the patient often feels that the surrounding scenery is rotating. Dizziness without sense of rotation is not vertigo. Any disease that can cause unilateral vestibular dysfunction, such as infection or trauma, can cause vertigo. Vertigo is one of the common symptoms of Meniere’s disease. Central lesions such as acoustic neuroma and multiple sclerosis can also cause vertigo.
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