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Noise-Induced Hearing Loss (Acoustic Trauma)
Topic Overview
Hearing loss caused by loud noises is called noise-induced hearing loss (acoustic trauma). It is more common for gradual hearing loss to occur from long-term (chronic) exposure to loud noise than from a sudden (acute) loud burst of sound. Hearing loss may be temporary or permanent. Long-term exposure to loud noises can cause permanent hearing loss.
Common causes of acoustic trauma include:
If you take your ears for granted, listen up: hearing loss is the third most common health problem in the U.S. It's also on the rise. Compared to a 1971 federal survey that estimated 13.2 million Americans had hearing loss, up to 36 million Americans now report lost hearing. When hearing goes, it may affect quality of life and relationships. In this article, WebMD looks at the causes, symptoms, and treatment of hearing loss. If you have lost some of your hearing, you'll find strategies to keep lines...
Read the Hearing Loss article > >
- Loud music, such as live musical performances and home, auto, or portable stereo systems. Hearing loss is usually temporary but can be permanent.
- Industrial sounds, such as traffic, sirens, jet engines, power tools, chain saws, jackhammers, or hydraulic machinery.
- Physical injury to the ear. Severe injury can
rupture the eardrum. Physical injury can be caused by:
- A blow to the side of the head.
- An explosive burst of sound close to the ear, such as when an air bag is set off during a motor vehicle accident.
- Rapid changes in environmental pressure, such as from underwater diving or descending in an airplane.
Most people stop hearing high-frequency sounds, such as bells and chimes, first. Later, it becomes harder to hear lower-frequency sounds, such as voices.
WebMD Medical Reference from Healthwise
Last Updated:
February 12, 2010
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Noise-Induced Hearing Loss (Acoustic Trauma)
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