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Pure-tone audiometry in otosclerosis: insufficient ...
https://pubmed.ncbi.nlm.nih.gov/24042555/
Objective: To evaluate whether the Carhart notch on pure-tone audiometry is reliable as a diagnostic test for predicting otosclerosis in patients with conductive hearing loss. Data Sources PubMed, Embase, the Cochrane Library, CINAHL, and Scopus. Methods: A systematic search was conducted. Studies reporting original study data were included.
Audiological Evaluation of the Patient with Otosclerosis ...
https://entokey.com/audiological-evaluation-of-the-patient-with-otosclerosis/
In the absence of cochlear involvement, the pure conductive hearing loss produced by the complete stapes fixation is limited to 60 to 65 dB, with a maximum air-bone gap across the frequency range. Figure 4–1 Pure tone audiogram of a patient suffering from cochlear otosclerosis. The multiple sloping pattern gives it the appearance of a cookie ...
Audiologic characteristics of the patient with otosclerosis
https://pubmed.ncbi.nlm.nih.gov/8341569/
When pure stapedial otosclerosis is present, the most prominent audiologic signs are elicited in response to the use of low-frequency stimuli, reflecting the effect that increased stiffness has on the transfer function of the middle ear. Characteristic abnormalities appear on tympanometry, acoustic reflexes, and the pure-tone audiogram.
Audiological evaluation of patients with otosclerosis
https://pubmed.ncbi.nlm.nih.gov/17245032/
Abstract. Even though the diagnosis of otosclerosis is confirmed definitively during surgery, preoperative diagnosis and determination of the indication for surgery are made based on audiological evaluation. Audiological tests should firmly establish a conductive component to hearing loss. The measurement of pure-tone air and bone conduction ...
The Audiology of Otosclerosis - PubMed
https://pubmed.ncbi.nlm.nih.gov/29397946/
Diagnostic audiologic procedures for otosclerosis are effective tools in identifying this condition. Audiometric data usually demonstrate a conductive hearing loss at the early stages of otosclerosis. Modern middle ear analysis procedures are becoming more popular in the better diagnosis of otoscler …
Audiological evaluation of the patient with otosclerosis
https://drchrisdesouza.com/ENT-surgeon/audiological-investigation-of-otosclerosis.htm
Pure stapedial otosclerosis has its unique signature which can be recognized on pure tone and impedance audiometry. Accurate reliable audiometric tests, which can be replicated, help the clinician decide on the appropriate form of treatment for otosclerosis.
Abnormal Audiograms in Ear Pathology
https://entpa.org/resources/Pictures/2016%20ENT%20for%20the%20PA-C/Presentations/Abnormal%20audiograms%20in%20ear%20pathology%20-%20Klingenberg.pdf
– Describe the audiogram by configuration from least amount of hearing loss to the most (ex: mild to severe) – Pure tone average is 500 Hz, 1000 Hz, and 2000 Hz added and divided by 3. Degree of hearing loss Degree of hearing loss: • 0‐15 dB WNL • 16‐25 dB Slight • 26‐40 dB Mild
The doubtful value of tympanometry in the diagnosis of ...
https://pubmed.ncbi.nlm.nih.gov/4009050/
Many consider that the compliance of the middle ear as measured from the tympanogram can be helpful in diagnosing otosclerosis. To test this assertion, the compliance in 34 individuals with surgically proven otosclerosis was compared with the compliance in 34 age and sex matched, normal controls, randomly selected from the population.
Pure Tone Audiogram and Interpretation | Epomedicine
https://epomedicine.com/medical-students/pure-tone-audiogram-and-interpretation/
Pure tone: A single frequency sound. 2. Audiometer: Equipment used to generate pure tones of varying frequency and loudness and control their presentation. 3. Air conduction (AC) threshold: lowest level dB HL (hearing threshold) at which the subject perceives 50% of pure tones introduced via earphones or speakers.
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