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:
Most people stop hearing high-frequency sounds, such as bells and
chimes, first. Later, it becomes harder to hear lower-frequency sounds, such as
January 11, 2012
William H. Blahd, Jr., MD, FACEP - Emergency Medicine
& H. Michael O'Connor, MD - Emergency Medicine
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