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Author: admin | 09.03.2014 | Category: Tinnitus Causes And Treatments

Send Home Our method Usage examples Index Contact StatisticsWe do not evaluate or guarantee the accuracy of any content in this site. A conductive hearing loss occurs when there is a problem with the one or more of the parts of the ear that conduct sound into the inner ear. There are many potential causes of conductive hearing loss, with some causes being easier to treat than others. If you have any questions about conductive hearing loss or hearing loss in general, please contact one of our locations to speak with an audiologist. Audiogram: An audiogram is a graph which audiologist use to record results using symbols to depict the threshold for each ear as a function of frequency and intensity.
The ear canal, ear drum, and the tiny bones in the middle ear make up the conductive system and any hearing loss caused by a problem in one or more of these areas is called a conductive hearing loss.
Malformation of the outer or middle ear structures, a middle ear infection in which fluid accumulates behind the eardrum, abnormal bone growth in the middle ear, a hole in the eardrum, or poor Eustachian tube function may be responsible for conductive hearing loss. Antibiotics or antifungal medications are usually prescribed for ear infections, whereas surgery is usually an option for malformed or abnormal outer or middle ear structures and other physical problems.
I shadowed my supervisor while she performed audios on different patients and I have gained valuable and useful skills during my observations. It is known as the most common type of hearing loss and more than 90% of people who are hard of hearing have sensorineural hearing loss.
A person who suffers from a mixed hearing loss usually has strengths and weaknesses in their hearing. Air conduction: Is the course of sounds that are conducted to the inner ear by way of the outer and middle ear.


The reason to do this is to prevent sound from the side being tested from going over to the good side. Unlike a sensorineural hearing loss a conductive hearing loss occurs because the sound entering the ear is reduced or dampened by the obstruction; there is no damage to the delicate nerves in the inner ear.
Rarely, there may be more serious causes of conductive hearing loss and these conditions, if left unidentified and untreated, may have profound medical consequences. Hearing aids are often the best answer when surgery is not possible, because they significantly improve hearing and are convenient. I developed a variety of insights on the different degrees and types of hearing losses, differences between air and bone conduction, and the symbols used on an audiogram. As for the third diagram, I explained what an audiogram is and created a mapping key that is used when performing audio evaluations on a patient.
Someone that has that same hearing for air and bone conduction usually has normal hearing or sensorineural hearing loss.
A conductive hearing loss can often be partially or completely reversed with medical intervention. Though usually not necessary, implantable hearing devices such as a bone-anchored hearing aid are an excellent alternative if neither surgery nor a traditional hearing aid are feasible options. Conductive hearing loss can often be medically treated, and in many cases, hearing can be restored. This type of hearing loss results from a conductive and sensorineural hearing loss mixed together. Someone who has poorer hearing by air than bone eventually has conductive or mixed hearing loss.


For individuals with permanent conductive hearing loss treatment such as hearing aids or bone-conduction hearing aids may be a feasible treatment option. Once they become damaged they are unable to convert sound vibrations into electrical signals required by the auditory nerve. With this degree of hearing loss the person appears to be able to hear soft sounds, can hear a normal conversation in a quiet room, has difficulty in a noisy environment, and cannot hear whispered conversation or speech from a distance. During audiogram evaluations the patient wears either headphones or inserts depending on the size of their ear canal for better results. When testing the hearing by bone, patients wear headphones positioned on the temple and cheek.
The electromechanical transducer, which converts electric signals into mechanical vibrations and sends sound to the inner ear through the cranial bones.
A person who suffers from this type of hearing loss typically states that they can hear people speak, but not understand what they are saying. A patient with this degree of hearing loss has difficulty hearing a normal conversation in a quiet room, and they must use lip-reading or amplification to comprehend most words.
A moderate-severe hearing loss ranges from 55-90 dB HL and a person who suffers from this hearing loss cannot hear a conversation without being spoken loud enough into the ear by the speaker. A patient who has a profound hearing loss ranges from 90+ dB HL, cannot understand speech even if their being yelled at, and they can only hear very loud sounds.



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