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Occupational noise exposure, hearing loss, and notched ...
https://onlinelibrary.wiley.com/doi/full/10.1002/lary.26256#:~:text=The%20Wilson%20audiometric%20notch%20was%20defined%20as%20thresholds,noise%20exposure%20was%20assessed%20by%20several%20questionnaire%20items.
Audiometric notch as a sign of noise induced hearing …
https://oem.bmj.com/content/58/1/46
Audiometric shape was classified as narrow or “V shaped” if there was a single frequency in the depth of the notch, and wide or “U shaped” if there was more than one frequency. Table 1 shows the distribution of these features. There were 152 narrow notches and 102 wide notches.
The Significance of Audiometric Notching in Individuals ...
https://journals.lww.com/ear-hearing/Fulltext/2021/09000/The_Significance_of_Audiometric_Notching_in.2.aspx
Notch Definition. Classically, audiometric notches appear as a sharp decline in hearing thresholds at a specific frequency on the audiogram with recovery at neighboring frequencies. Duration of exposure to noise may also affect the shape of the notch in the audiogram from a V-shaped dip to a U-shaped dip . In individuals suffering from concurrent age associated hearing …
Audiometric Notch and Extended High-Frequency …
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5771058/
I ntroduction. Hearing impairment due to exposure to loud noise is increasingly common nowadays. The typical early sign of hearing impairment due to noise exposure is an audiometric notch at the frequencies of 3, 4, and 6 kHz with recovery at 8 kHz,[] which is identified by the Niskar criteria.[] In the past decades, many studies have investigated occupational noise …
Characteristics of the audiometric 4,000 Hz notch …
https://www.rehab.research.va.gov/jour/2013/501/wilson501.html
Analysis of audiometric notch as a noise-induced hearing ...
https://in.nau.edu/wp-content/uploads/sites/19/2018/08/Analysis-of-audiometric-notch-as-a-noise-induced-hearing-loss-phenotype-in-US-youth-data-from-the-National-Health-And-Nutrition-Examination-Survey-1-ek.pdf
audiometric notch, most of them occurring at 6000Hz, as a phenotype to study genetic association to NIHL. Several genetic variants of selected cochlear genes were associated with bilateral notches (BN) in a sample of college-aged musicians. It was concluded that the audiometric notch definition is a feasible NIHL
Audiogram notches in noise-exposed workers
https://pubmed.ncbi.nlm.nih.gov/17086083/
Objectives: Diagnostic criteria for noise-induced hearing loss include the audiometric notch, yet no standardized definition exists. This study tested whether objective notch metrics could match the clinical judgments of an expert panel. Design: A panel of occupational physicians, otolaryngologists, and audiologists reviewed audiograms of noise-exposed workers.
Characteristics of the audiometric 4,000 Hz notch (744,553 ...
https://www.rehab.research.va.gov/jour/2013/501/pdf/page111.pdf
audiometric notch was defined when the thresholds at 2,000 and 8,000 Hz were both minimally at HLs 10 dB lower than (better than) the threshold at the notch fre
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
Impairment of bone conducted vibrations, for example by stapes footplate fixation, results in raised thresholds by bone conduction. 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.
Occupational noise exposure, hearing loss, and notched ...
https://onlinelibrary.wiley.com/doi/full/10.1002/lary.26256
The Wilson audiometric notch was defined as thresholds at 2 and 8 kHz that are both at least 10 dB HL lower than (better than) the threshold at the notch frequency of interest (3, 4, or 6 kHz). 19 Exposures
Audiometric - definition of audiometric by The Free …
https://www.thefreedictionary.com/audiometric
Adj. 1. audiometric - of or relating to audiometry. Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. Translations. Greek / Ελληνική. Spanish / Español. Spanish / Español. Select a language:
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