FAITS
- Mécanisme des Lésions : La perte auditive due au bruit (NIHL) survient lorsque des bruits forts endommagent les cellules ciliées de la cochlée (oreille interne), qui ne peuvent pas se régénérer, entraînant une perte auditive permanente ou des acouphènes (bourdonnements dans les oreilles).
- Seuil D'exposition : Les sons égaux ou supérieurs à 85 décibels (dBA) pendant des périodes prolongées (par exemple, 8 heures) peuvent causer une NIHL ; des niveaux plus élevés (par exemple, 100 dBA) causent des dommages en quelques minutes, selon les normes OSHA et CSA Z94.2.
- Exposition Aiguë vs Chronique : Un seul bruit intense (par […]
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