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NOISE INDUCED HEARING LOSS (NIHL) PowerPoint Presentation

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Description : Check out this medical presentation on Noise-Induced Hearing Loss, which is titled "NOISE INDUCED HEARING LOSS (NIHL)", to know about the hearing impairment resulting from exposure to high levels of noise.

Tags : Noise-Induced Hearing Loss, NIHL, hearing impairment

Published on : Jul 10, 2021 | Views : 2140 | Downloads : 3

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NOISE INDUCED HEARING LOSS (NIHL) BSUIR SCIENTIFIC CONFERENCE APRIL 2015 BY ROMAN MATVEEV
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oise nduced earing oss N I H L
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Introduction to NIHL NIHL is “a hearing impairment resulting from exposure to high levels of noise”, and it is also commonly known as industrial deafness.
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Statistics
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Intensity↔Pitch
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INTENSITY Intensity = 20logreferenceparticular 20dB=10*log1020 20dB=10*0dB 40dB=100*20dB 60dB=1000*40dB
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85dB
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Table 2
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PITCH The lowest limit of hearing range The upper limit of hearing range NIHL
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Table 1
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How our hearing works MicroFilm: How Our Hearing Works
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Like blades of grass…
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Means of Ear Protection Earmuffs Earplugs
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Conclusion: We should remember NIHL is entirely preventable but once acquired it is irreversible. The haircells never grow back, they are unrecoverable. That is why we should take care today.
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Statistics of NHIL claims Number of Claims for NIHL *most recent data available (2006) Claims in SA decreased from 370 in 1999 to 190 in 2002 Although the number of NIHL claims has been reduced, it does not mean that noise induced deafness has been reduced
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Statistics of NHIL claims NIHL Claims per Exposed Employees (2001/2) Number of claims per hundred thousand employees The highest number of claims are made by: Labourers and related workers, 33% Tradespersons and related workers, 30% Intermediate production & transport workers (plant or machine operators or transport drivers).
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Statistics of NHIL claims The average cost of workers compensation claims for NIHL in 2001/2 was calculated to be $6711. Therefore, for Australia, the direct cost of NIHL claims for 2001/2 is calculated to be $6711 x 4510 claims i.e. just over $30 million. This figure does not include Hearing Aid fittings
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Prevention NIHL Noise Control and Hearing Loss Prevention Program Establishing a noise control policy and program Actions to reduce noise exposure eg. Noise insulation, ear protection Actions to monitor the health of employees eg, annual hearing screening programs noise control policy and program will enable a systematic approach to hearing conservation in a company eg purchasing policy on equipment noise levels, mandatory ear protection, training programs for employees