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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

1 passage

contentuptodate· Content· item f29_43_30387

©2013 UpToDate ® Print Email A typical audiogram of noise-induced sensorineural hearing loss A typical audiogram of early noise-induced sensorineural hearing loss. Hearing is normal through 2000 Hz. There is an abrupt drop at 4000 Hz with recovery at 8000 Hz. With additional injury over time, this “drop” generalizes to involve more frequencies and becomes more noticeable to the child.