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PTA can be used to differentiate between conductive hearing loss, sensorineural hearing loss and mixed hearing loss. A hearing loss can be described by its degree i.e. mild, moderate, severe or profound, or by its shape i.e. high frequency or sloping, low frequency or rising, notched, U-shaped or 'cookie-bite', peaked or flat.
High-frequency hearing loss is common with aging and noise exposure. Here's how to test your ears, prevent hearing loss and treat your hearing.
This type of hearing loss allows hearing at low and high frequencies, with most of the hearing loss occurring at the mid-frequencies. #5. Unilateral Hearing Loss Audiogram
There are several types of hearing loss configurations (see below), with high frequency hearing loss being among the most common. A comprehensive hearing test can determine the type and severity ...
Hearing loss due to chemicals starts in the high-frequency range and is irreversible. It damages the cochlea with lesions and degrades central portions of the auditory system . [ 45 ] For some ototoxic chemical exposures, particularly styrene, [ 46 ] the risk of hearing loss can be higher than being exposed to noise alone.
Conductive hearing loss due to disorders of the middle ear shows as a flat increase in thresholds across the frequency range. Sensorineural hearing loss will have a contoured shape depending on the cause. Presbycusis or age-related hearing loss for example is characterized by a high frequency roll-off (increase in thresholds).