Monday, March 15th, 2010



Results of the audiometric evaluation are plotted on a chart called an audiogram. Loudness is

plotted from top to bottom (0 to 120 dB). Frequency, from low to high, is plotted from left to right (250-8000 Hz). Hearing loss (HL) is measured in decibels (dB) and is described in general categories. Hearing loss is not measured in percentages. The general hearing loss categories (for adults) used by most hearing professionals are as follows:

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Categories : Education
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Audiology | What causes hearing loss?

Monday, March 15th, 2010

What causes hearing loss?

There are different problems in the Outer, Middle, or Inner ear that might cause hearing loss.

e.g. For some people, the cause of hearing loss is the result of a gradual buildup of earwax, which blocks the ear canal and prevents conduction of sound waves. Earwax blockage is a cause of hearing loss among people of all ages.  Other people might have disarticulation or fixation of the little bones in the middle ear, infection in the middle ear, perforation of the ear drum, etc. (for more information please see my next blog about degrees & types of hearing loss).  Any problem in the outer or middle ear causes conductive hearing loss & in most patients can be treated medically or surgically.

In most cases, however, hearing loss results from damage to the inner ear. Aging, use of oto- toxic medication or prolonged exposure to loud noise may cause wear and tear on the hairs or nerve cells in the cochlea that send sound signals to the brain. When these hairs or nerve cells are damaged or missing, electrical signals aren’t transmitted as efficiently, and hearing loss occurs. Higher pitched tones may become muffled to you. It may become difficult for you to pick out words against background noise. Heredity may make you more prone to these changes.  For more information please read my next blog about degrees & types of hearing loss or visit my web site.

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Categories : FAQs
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Hello world!

Wednesday, March 3rd, 2010

Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!

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Categories : Uncategorized
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