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HEARING CONSERVATION for the Primary Care Provider

HEARING CONSERVATION for the Primary Care Provider. Maj Linda Ruckriegel 75 AMDS / SGPMA 777-1069 Linda.Ruckriegel@hill.af.mil. 14 March 2001. HEARING CONSERVATION for the Primary Care Provider. Role of Audiologist in Health Care How Common is Hearing Loss?

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HEARING CONSERVATION for the Primary Care Provider

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  1. HEARING CONSERVATION for thePrimary Care Provider Maj Linda Ruckriegel 75 AMDS / SGPMA 777-1069 Linda.Ruckriegel@hill.af.mil 14 March 2001

  2. HEARING CONSERVATION for thePrimary Care Provider • Role of Audiologist in Health Care • How Common is Hearing Loss? • Fundamental Concepts of Hearing Conservation • Prevention of Noise Induced Hearing Loss • Audiogram Interpretation

  3. HEARING CONSERVATION for thePrimary Care Provider • Audiologist in Health Care • Mission of Base Audiologist • Role of Professional Supervisor in Occupational Hearing Conservation

  4. HEARING CONSERVATION for thePrimary Care Provider Demographics of Hearing Loss • Hearing Loss is the 3rd Chronic Health Condition in the older population • 28 million people or 10% of population • 10 million - Noise Induced Hearing Loss • Rate of Hearing Loss is increasing in all age groups

  5. HEARING CONSERVATION for thePrimary Care Provider National Health Interview Survey, U.S.

  6. HEARING CONSERVATION for thePrimary Care Provider Culture of Noise • 356 subjects 18-25 y/o • 18.8% social activities • 3.5% occupational • 2.9% gunfire • 1364 subjects 14 – 25 y/o • Sig HL for PCP 7+ hr/wk or 2 concerts/month • 50 subjects 18 – 30 y/o • Users of PLD at Low Risk for NIHL

  7. HEARING CONSERVATION for thePrimary Care Provider Culture of Noise • FITNESS CLUBS • Measured at 90 clubs across USA • Levels reached 120 dB • 80% reached 105 dB for 1 hour classes • Hess Center, Aerobic Class in Bubble • Levels reached 97 dBA for participants • Walkers exposed to 87 dBA

  8. HEARING CONSERVATION for thePrimary Care Provider Culture of Noise • Movies • Armageddon 117-118 dB Shuttle Take off • Godzilla 112 – 115 dB Godzilla shriek • Concerts • Standard level at rock concerts is 126 dB • Professor of Music History at Princeton • Suing the Smashing Pumpkins • 4% Hearing Loss at one concert – wearing HPD

  9. HEARING CONSERVATION for thePrimary Care Provider Normal Conversation 65 dB SPL

  10. HEARING CONSERVATION for thePrimary Care Provider • Goal of a Hearing Conservation Program • To reduce the risk of developing a permanent noise-induced hearing loss • Reach Goal with Damage Risk Criterion • The purpose of a damage risk criteria is to define maximum permissible levels of noise for stated duration which, if not exceeded, would result in an acceptably small effect on hearing levels over a working lifetime of exposure.

  11. HEARING CONSERVATION for thePrimary Care Provider The Damage Risk Criterion Used: Air Force 85 dBA Time Weighted over 8 hrs (TWA) 3 dB Exchange Rate OSHA 90 dBA Time Weighted over 8 hrs (TWA) 5 dB exchange rate

  12. OSHA 90 dBA TWA 15% expected impairment THREE MILLION Workers with Hearing Handicap After 40 years Air Force 85 dBA TWA 5% expected impairment ONE MILLION Workers with Hearing Handicap After 40 years HEARING CONSERVATION for thePrimary Care Provider Risk of Sustaining Hearing Handicap

  13. HEARING CONSERVATION for thePrimary Care Provider Elements of a Hearing Conservation Program • Noise Measurement & Engineering Controls • Audiometric Testing • Employee Training and Education • Record Keeping • Program Evaluation

  14. HEARING CONSERVATION for thePrimary Care Provider • Positive Action to Prevent Noise-Induced Hearing Loss • Prevention = Reducing • Time • Intensity • Teach the Three Foot Rule

  15. HEARING CONSERVATION for thePrimary Care Provider Photomicrographs of 4k Hz Region of the Cochlea in a control (non-noise exposed) and a noise-exposed animal

  16. HEARING CONSERVATIONfor thePrimary Care Provider

  17. HEARING CONSERVATIONfor thePrimary Care Provider

  18. HEARING CONSERVATIONfor thePrimary Care Provider

  19. HEARING CONSERVATION for thePrimary Care Provider NOISE INDUCED HEARING LOSS

  20. HEARING CONSERVATION for thePrimary Care Provider

  21. HEARING CONSERVATION for thePrimary Care Provider Earplugs Earmuffs

  22. HEARING CONSERVATION for thePrimary Care Provider

  23. HEARING CONSERVATIONfor thePrimary Care Provider Type A - Normal Type B - Effusion Type C – ETD or ME System in Transition

  24. HEARING CONSERVATION for thePrimary Care Provider • Explained Audiologist’s Role in Health Care • Prevalence and Incidence of Hearing Loss • Basic Concepts of Hearing Conservation • Prevention of Noise Induced Hearing Loss • Explained the Audiogram

  25. HEARING CONSERVATION for thePrimary Care Provider International Noise Awareness Day April 25 2001 Sponsored by the League for the Hard of Hearing National Day of Hearing Testing May 5 2001 Sponsored by SHHH Better Speech and Hearing Month May 2001

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