Conductive hearing loss
Conductive Hearing Loss
Conductive hearing loss (pronunciation: /kənˈdʌktɪv ˈhɪərɪŋ lɒs/) is a type of hearing loss that occurs when the transmission of sound from the external ear, through the middle ear to the inner ear is blocked or reduced. This can be caused by a variety of conditions, including ear infection, earwax blockage, otosclerosis, or damage to the eardrum.
Etymology
The term "conductive hearing loss" is derived from the Latin words "conducere", meaning "to lead", and "audire", meaning "to hear". It refers to the inability of sound to be properly led or conducted through the ear to the brain.
Causes
Conductive hearing loss can be caused by a variety of conditions, including:
- Ear infection: An infection in the middle ear can cause fluid to build up, blocking the transmission of sound.
- Earwax blockage: Excessive earwax can block the ear canal, preventing sound from reaching the eardrum.
- Otosclerosis: This is a condition where the bones in the middle ear become stiff or fixed, preventing them from transmitting sound effectively.
- Damage to the eardrum: A perforated or ruptured eardrum can prevent sound from reaching the middle and inner ear.
Treatment
Treatment for conductive hearing loss depends on the underlying cause. It may include:
- Medication: If the hearing loss is caused by an infection, antibiotics may be prescribed.
- Surgery: In cases of otosclerosis or damage to the eardrum, surgery may be required to repair the damage.
- Hearing aids: These devices can amplify sound, making it easier for the person to hear.
Related Terms
- Sensorineural hearing loss: This is a type of hearing loss that occurs when there is damage to the inner ear or the nerve pathways from the inner ear to the brain.
- Mixed hearing loss: This is a combination of conductive and sensorineural hearing loss.
- Audiogram: This is a graph that shows a person's hearing ability.
External links
- Medical encyclopedia article on Conductive hearing loss
- Wikipedia's article - Conductive hearing loss
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