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Audiometric Tests and Diagnostic Workup
http://www.eargroup.net/wwwuploads/manuscripts/1364982090_publi060.pdf
Pure tone audiometry is the standard test in daily clinical practice. The technique of pure tone audiometry is explained and some is- ... PTA or Fletcher Index To summarize the audiometric findings several indices have been intro-duced,amongwhichthepuretoneaverage(PTA)or‘‘Fletcherindex’’ isthe ...
Associations of Retinal Vessel Caliber With Hearing …
https://pubmed.ncbi.nlm.nih.gov/31999311/
Main outcomes and measures: Air conduction audiometry was used to calculate the high Fletcher index (mean threshold of 1, 2, and 4 kHz), and bilateral hearing loss was defined as a high Fletcher index greater than 15 dB hearing level in the better-hearing ear. Retinal arteriolar and venular caliber were measured from fundus photographs using ...
Acoustic neuroma: deterioration of speech discrimination ...
https://pubmed.ncbi.nlm.nih.gov/11039874/
Pure-tone and speech audiometry were performed in 231 patients with a unilateral acoustic neuroma. Tumor sizes were obtained through imaging. Audiometric parameters, such as the mean pure-tone thresholds, the maximum discrimination, the slope of the speech audiogram, the roll-over index and the difference between the speech reception threshold and the Fletcher …
Hydropic Ear Disease: Correlation Between …
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8601159/
The worst ear from bilateral EH patients demonstrated a median low Fletcher index of 53.5 dB [5–120] and median high Fletcher index of 51 dB [5–120]. These hearing thresholds were not significantly different from the low and high Fletcher indexes from the hydropic ears of unilateral EH patients (P = 0.190 and P = 0.167, respectively).
Academic, behavioural and quality of life outcomes of ...
http://www.anhsconference.com/wp-content/uploads/2019/05/1135_Thurs_Jing-Wang.pdf
Air-conduction audiometry (exposures) High Fletcher index (mean of 1, 2, 4 kHz, better and worse ear) Bilateral slight-mild (16-40 dB HL) hearing loss Unilateral slight-mild (16-40 dB HL) hearing loss Core measures
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