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Audiology Resource Notebook This presentation is intended as a resource for professionals in Deaf Education, Audiology, and Speech Pathology. Presentation on theme: "Audiology Resource Notebook This presentation is intended as a resource for professionals in Deaf Education, Audiology, and Speech Pathology. Speech Audiometry Continued Word Recognition Score (WRS) The stimuli are a list of 25-50 phonetically balanced one syllable word. Barotrauma Discomfort in the ear caused by pressure differences between the outer and middle ear. Otosclerosis Otosclerosis is the growth of spongy bone-like tissue around the footplate of the stapes and blocks the oval window.
Otosclerosis Continued Maximum conductive loss is between 50-60dB, with a mixed loss it will increase to 60-70dB.
Audiogram: Otosclerosis One of the characteristic features of an audiogram that indicates otosclerosis is a smaller air bone gap at 2000Hz. Audiogram: Presbycusis Audiograms that indicate presbycusis show a sharp drop off in the frequencies above 2000Hz. Malignant Otitis Externa Occurs in elderly diabetic patients, can occur in AIDS patients Characterized by persistent and severe earache, foul-smelling purulent otorrhea, and granulation tissue in the ear canal. Otitis Media Continued Suppurative otitis media is characterized by fluid that contains puss. Otitis Media Continued Adhesive otitis media, or glue ear, is characterized by a thick, sticky effusion that causes the eardrum to become severely retracted. Otosclerosis is a disease of the hearing mechanism in the middle (and internal) ear in which the third bone of the chain of 3 bones in the middle ear gradually gets fixed due to new bone formation and decreasing the vibrations of sound entering the inner ear.
As the disease process advances, the otosclerosis can involve the opposite ear (in80% patients). Whites are the most affected race, with the prevalence in the Black and Asian populations being much lower. Pure Tone Audiometry shows the exact levels of hearing and confirm a conductive deafness where hearing by bone conduction is better than hearing by air conduction. Treatment of otosclerosis relies on two primary options: hearing aids (more recently including bone-conduction hearing aids) and a surgery called a stapedectomy. A modern variant of this surgery called a stapedotomy, is performed by drilling a small hole in the stapes footplate with a micro-drill or a laser, and the insertion of a piston-like prothesis. Other less successful treatment includes fluoride administration, which theoretically becomes incorporated into bone and inhibits otosclerotic progression. Otosclerosis has to do with the three small bones in the middle ear, more specifically the stapes. An otosclerosis diagnosis should be made by a specialist, but some signs can be detected by the suffering person or their relatives. Strong background noise can add to the confusion of people with nerve deafness, but in the case of otosclerosis, this confusion does not often occur.


Hearing aids help people who are suffering from conductive deafness, including otosclerosis. Unfortunately you cannot use our pictures, as we do not have the copyright, but only have the right to use them on our website. To play the media you will need to either update your browser to a recent version or update your Flash plugin. It includes information about the basic audiometric test battery, common causes of hearing loss, and example audiograms. Can be caused by over- productive cerumen glands, but is most often caused when attempts to clean the ear pushes wax deeper into the canal Causes conductive hearing loss.
Causes conductive hearing loss, the larger the perforation the greater the loss Pain is usually not present. It affects 30-35% of adults between 65 and 75 and increases to 40-50% of those over 75 Loss is sensorineural and in the high frequencies Tinnitus may occur There is a central auditory component that will result in lower WRS than expected Client reports that the speech of others sounds slurred or mumbled Conversations are harder to hear when there is background noise. Dawson joined ENT & Associates in 2002, after completion of residency training at West Virginia University.
One’s own voice may sound loud and hence the patient tends to speak softly as compared with patients with a weakness of the hearing nerve (sensori neural hearing loss) who tend to speak loudly. When the inner ear is also affected by the process (cochlear Otosclerosis) a “mixed” deafness (conductive and sensori-neural) develops.
Acoustic Impedance Bridge studies confirm a fixation of the 3rd bone (Stapes) and also confirm normal middle ear pressure but diminished ear drum movement.
However, it can  never give the satisfaction of normal natural hearing as a successful operation does. Hearing aids are usually very effective early in the course of the disease, but eventually a stapedectomy may be required fordefinitive treatment. The success rate of either a stapedotomy or a stapedectomy depends greatly on the skill and the familiarity with the procedure of the surgeon. This treatment cannot reverse conductive hearing loss, but may slow the progression of both the conductive and sensorineural components of the disease process. A part of the bone will grow abnormally and this bone growth will prevent the stapes from vibrating normally in response to sound. For instance, some connections to measles and pregnancy have been observed as worsening the case of otosclerosis. Sometimes the person may even hear better in noisy surroundings (paracusis), possibly because of the high frequency and loudness of other people's voices in those circumstances.
Either the part of the stapes with the abnormal bone growth is removed in order to insert a tiny implant (stapedotomy), or the entire stapes bone is replaced by a small prosthesis (stapedectomy). The only condition is that you provide a direct link to the specific article you use on the page where you quote us. Each topic has its own table of contents, and, where possible, each section of information has an accompanying graphic.


In most cases there is a bony plate the separates the external ear from the contents of the middle ear. Symptoms include pain, slight conductive hearing loss, and ear fullness If severe or prolonged, can cause moderate to severe hearing loss, feeling of pressure in the ears, nosebleed and middle ear pain. Can also cause sensorineural loss in the high frequencies, this type is known as cochlear otosclerosis. He is a member of the West Virginia Academy and American Academy of Otolaryngology-Head and Neck Surgery, the American Medical Association, and the American Academy of Otolaryngic Allergy. In some patients the first complaint is an intermittent or  continuous spontaneous noise in the ear (tinnitus). Under an operating microscope, the joint between the 2nd bone (Incus) and third bone (Stapes) is separated.
Early attempts at hearing restoration via the simple freeing the stapes from its sclerotic attachments to the oval window were met with temporary improvement in hearing, but the conductive hearing loss would almost always recur. Recently, some success has been reported with bisphosphonate medications, which stimulate bone-deposition without stimulating bony destruction.
Both ears may be affected but it is more common for one ear to be more severely affected than the other.
Since the deafness is progressive, more powerful hearing aids may be needed as time goes by. The information contained within the presentation is meant to be a quick look-up guide to the most essential information with regards to these topics.
Gradually, after the age of 45 or 50 years, when old age deafness sets in due to age related changes of the nerves of hearing, the hearing impairment becomes more pronounced and a definite handicap in communication. A stapedectomy consists of removing a portion of the sclerotic stapes footplate and replacing it with an implant that is secured to the incus.
If left untreated, hearing loss typically worsens progressively until late middle age when complete deafness occurs.
In the early stages, hearing aids are a great help for those who do not wish to undergo surgery.
Hall Award for Best Resident Research Presentation at the West Virginia University Department of Otolaryngology Alumni Conference. This procedure restores continuity of ossicular movement and allows transmission of sound waves from the eardrum to the inner ear. One end of a teflon piston is inserted through this hole, either directly or through a vein graft.
In this case, a repeated syllable is used and the client is asked to indicate when they can perceive the sound.



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