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학습 자료 둘러보기 →NIHL is a sensorineural loss, typically bilateral and affecting high frequencies (3000-6000 Hz), often with a 4000 Hz notch on audiometry.
The primary differentiator from other hearing losses is the history of chronic noise exposure and the co-presentation of tinnitus without vertigo or discharge.
Unilateral symptoms, pain, or discharge suggest an alternative diagnosis like infection, Meniere's disease, or acoustic neuroma and require immediate further investigation.
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