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Carhart notch and electric bone-conduction audiometry
https://pubmed.ncbi.nlm.nih.gov/8085115/#:~:text=The%20Carhart%20notch%20is%20a%20depression%20in%20the,can%20be%20substantially%20improved%20following%20successful%20stapes%20surgery.
Is the Carhart notch a predictive factor of hearing ...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7982757/
The Carhart notch (CN) 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 improved upon following successful stapes surgery.
Carhart’s notch – Ent Scholar
https://entscholar.wordpress.com/article/carharts-notch/
Carhart’s notch. Introduction: This is seen in bone conduction audiograms of patients with otosclerosis 1. This is a dip at 2000 Hz in the bone conduction audiograms of these patients. Some authors consider this to be an artifact. After stapes surgery there is demonstrable over closure of air bone gap.
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
The Carhart notch was first described by Raymond Carhart, Ph.D., in 1950, and is a 'notch' in a bone conduction audiogram of more than 2 kHz. Learn more. What is the Carhart notch in Pure Tone Audiometry?
Carhart notch and electric bone-conduction audiometry
https://pubmed.ncbi.nlm.nih.gov/8085115/
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 improved following successful stapes surgery.
Carhart Notch-A Prognostic Factor in Surgery for …
https://pubmed.ncbi.nlm.nih.gov/31558062/
Conclusion: (1) The presence of a refraction of the bone conduction curve with a depth of 10 to 20 dB at a frequency of 2000 Hz (the so-called Carhart notch) in the presurgical tonal audiogram is an unfavorable prognostic factor in relation to closing the cochlear reserve and improving bone conduction after the stapedotomy. (2) Regardless of the presence or absence of Carhart notch …
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 improved following successful stapes surgery. Similarly, is otosclerosis serious?
ENT Carhart Notch Audiogram Pure Tune Audiometry ...
https://www.youtube.com/watch?v=uwiZXm_8Pfo
#carhart #notch #otospongiosisDip at 2000Hz Bone Conduction frequencyPlaylist https://www.youtube.com/playlist?list=PLKKWBex6QaMCojCF2tDToiD-nNhVZbIyO
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