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Hearing checks are essential as conductive hearing impairment is very frequent in young children.
A conductive hearing impairment is present when the sound is not reaching the inner ear, the cochlea.
Fluid in the middle ear sometimes causes conductive hearing impairment, but only when it interferes with the normal vibration of the eardrum by sound waves.
It seems likely that there are many children with conductive hearing impairment who have listening and comprehension difficulties but pass standard audiometric screening (Qamford and Saunders 1985).
There are three main types of hearing impairments, conductive hearing impairment and sensorineural hearing impairment and a combination of the two called mixed hearing loss.
Over weeks and months, middle ear fluid can become very thick and glue-like (thus the name glue ear), which increases the likelihood of its causing conductive hearing impairment.
Adenoids that do not disappear by adolescence may continue to grow and may obstruct the Eustachian tube, causing conductive hearing impairment and nasal infections that can spread to the middle ear.
Słownik medyczny
