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Audiogram notches in noise-exposed workers
https://pubmed.ncbi.nlm.nih.gov/17086083/
Notched Audiograms and Noise Exposure History in …
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2811687/
Is the Carhart notch a predictive factor of hearing ...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7982757/
Audiometric notch as a sign of noise induced hearing …
https://oem.bmj.com/content/58/1/46
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) ... – Repeated exposure causes irreversible loss‐characteristic notch around 3‐4 …
Carhart notch and electric bone-conduction audiometry
https://pubmed.ncbi.nlm.nih.gov/8085115/
What is the Carhart notch in Pure Tone Audiometry?
https://www.interacoustics.com/us/academy/faq/audiometry/what-is-the-carhart-notch-in-pure-tone-audiometry
This effect arises across the frequency range and is related to the resonance properties of the ossicular chain. The result is a “notch” in the bone conduction audiogram which is more pronounced at 2 kHz as described by Carhart in 1950. Carhart, R. (1950) Clinical application of bone conduction audiometry.
Why does Carhart's Notch occur?
https://findanyanswer.com/why-does-carharts-notch-occur
The Carhart notch is a depression in the bone-conduction audiogram of patients with clinical otosclerosis. The middle frequencies from 0.5 to 2 kHz, which correspond to the resonance frequency of the middle ear, can be substantially …
How to Read an Audiogram and Determine Degrees of Hearing Loss
https://www.nationalhearingtest.org/wordpress/?p=786
Profound loss: 90 dB or more. The graph to the left represents a blank audiogram illustrates the degrees of hearing loss listed above. Frequency is plotted at the top of the graph, ranging from low frequencies (250 Hz) on the left to high frequencies (8000 Hz) on the right. Sound level, in dB, is plotted on the left side of the graph and ranges ...
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