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Diagnostic Hearing Tests
Hearing loss is more common than you may think! Hearing loss is an invisible problem that generally develops slowly over time. It is the leading medical condition following arthritis and hypertension experienced by older adults. One in three people over 60 and half of those over 85 have hearing loss.
Tustin Hearing Center is a comprehensive diagnostic Audiology center. Our Audiologists are highly trained to offer a full range of diagnostic services to determine the type and degree of hearing loss as well as determine the appropriate treatment.
The purpose of hearing testing is to quantify and qualify hearing in terms of the degree of hearing loss, the type of hearing loss, and the configuration of the hearing loss. The results of the hearing tests are reported on a graph which is known as an audiogram.
The diagram below is a typical audiogram of a patient with high frequency hearing loss. Each ear is measured and plotted by using a sequence of varying sounds (frequency) and intensity (hearing level). Each sound is marked on the diagram with an X (left ear) or an O (right ear). The marks that fall below the speech banana (the shape in the middle of the audiogram) indicate that those sounds do not fall into the “normal hearing” category. We know that those sounds in this example are not being heard, and the only way they are heard is by increasing the intensity of the sound. This is very typical for patients with age related hearing loss (presbycusis) where certain sounds are harder to hear than other sounds, like “s”, “ch”, “th”, “f” and “sh”. For this example, hearing aids would be recommended to bring up the sounds that are missing in this frequency range.