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Dr Rais Ahmad Bhat*
https://www.worldwidejournals.com/paripex/recent_issues_pdf/2022/January/role-of-pure-tone-audiometry-in-the-evaluation-of-hearing-loss_January_2022_6834819061_4306651.pdf
PTA determines the mean threshold levels in air conduction and bone conduction along the frequency range of 250-8000 HZ. A pure tone average refers to the average of hearing threshold levels at frequencies 500, 1000, 2000, and 4000 HZ in air conduction curve. PTA determines the type and degree of hearing loss.
Part 1: Pure-tone air and bone conduction audiometry
https://webstore.ansi.org/preview-pages/ISO/preview_ISO+8253-1-2010.pdf
Part 1: Pure-tone air and bone conduction audiometry ⎯ Part 2: Sound field audiometry with pure-tone and narrow-band test signals ⎯ Part 3: Speech audiometry . This is a preview of "ISO 8253-1:2010". Click here to purchase the full version from the ANSI store.
Understanding and Interpreting Pure Tone Audiometry
http://www.indiaspeechandhearing.com/blog/hearing-tests/
Pure Tone Audiometry. PTA or pure tone audiometry is a hearing test accepted worldwide as a standard protocol for determining hearing levels or hearing loss. Prerequisites for this test: -> The individual undergoing this test should be 8 years and above. -> PTA should be done in an acoustically treated room with least noise interference.
Bone and air conduction after stapedectomy
https://pubmed.ncbi.nlm.nih.gov/15314955/
Pure-tone audiometry for bone and air conduction threshold was performed in all the patients. Hearing tests were carried out before and 2-4 months after the operation by the same technician Partial. Only patients with air-bone gap closure were included in the study. Stapedectomy was performed under local anaesthesia.
Theory and practice of pure tone audiometry
https://vula.uct.ac.za/access/content/group/27b5cb1b-1b65-4280-9437-a9898ddd4c40/Theory%20and%20practice%20of%20pure%20tone%20audiometry%20_PTA_.pdf
thresholds. soon as he/she Pure tone audiometry An audiogram (Figure 1) is a graphic re-presentation of a hearing test. With a pure tone test, it is called a pure tone audio-gram. It is usually drawn in graphic form, with the frequencies of the signals presen-ted on the horizontal axis (Hertz / Hz) and
Does preoperative hearing predict postoperative hearing …
https://pubmed.ncbi.nlm.nih.gov/22772017/
Main outcome measure(s): Spearman correlation coefficients were calculated between preoperative and postoperative (mean, 7.5 wk; range, 3-40 wk after surgery) hearing outcome measures including 3-tone pure-tone average (PTA), speech reception threshold (SRT), speech discrimination scores (SDS), air-bone gap (ABG), change in ABG (ΔABG), and ...
audiology - Air-conduction and bone-conduction testing ...
https://www.britannica.com/science/audiology/Air-conduction-and-bone-conduction-testing
In sensorineural hearing loss, the thresholds for both air conduction and bone conduction are affected such that the air-bone gap (air conduction minus bone conduction) is close to zero. The presence of an air-bone gap signifies conductive hearing loss.
The Effect of Tympanic Membrane Perforation Site, Size …
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6640663/
Identifying the hearing thresholds and the air-bone gaps with pure tone audiometry Pure tone average 1 (PTA1) was calculated with air conduction thresholds at 500 Hz, 1000 Hz and 2000 Hz (0.5–2 kHz), and pure tone average 2 (PTA2) was calculated with air conduction thresholds at 1000 Hz, 2000 Hz and 4000 Hz (1–4 kHz). Statistical Analysis
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