DEAFNESS BY NOISE

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	DEAFNESS BY NOISE
	*DEAFNESS BY NOISE*

DEAFNESS BY NOISE

The human ear is a wonderful organ that allows to catch and to lead the sounds to the brain to be identified, and process to be kept in the memory, but when they are somenten to very high sounds in volume and the noises are constant, its delicate structure is damaged sometimes irreversibly.

The deafness by noise or acoustic trauma is a problem of health that appears every time most frequently, in population of countries mainly industrialized.

This is caused when a person exposes itself to intense sounds that can continuous or be generated by a single event that is excessive, like a the 90 explosion and which they exceed decibeles causing injuries in the cells of the organ of Corti, located in the ear internal and ordered to perceive and to decodificar the sounds. Its main function is the one to transform the sound waves into bioeléctrica energy that directs towards the brain by the auditory nerve.

The acoustic trauma depends on the intensity of the sound, time of exhibition, sensitivity of the ear and tone of the sound, since the acute tones are much more aggressive that the serious ones.

The consequences of the noise are not pronounced generally until years later with a severe diminution of the auditory sharpness or in the worse one of the cases, with a permanent deafness.

The acoustic trauma can be classified according to its damage. When the loss is of first degree, it appears an annoying acute humming that it disappears progressively with the rest and that can be continuous if the person continues exposed for a long time to the noise.

When it is of second degree, the humming is more annoying and one slight loss of hearing is appraised and in more severe cases hipoacusia or loss of hearing is more severe and predominates the constant humming.

Treatment and prevention Before any auditory problem or humming in the ears are due to go with a otorrinolaringólogo to avoid that the problem advances and the suitable treatment is received.

In necessary cases an auditory device can be placed to help to recover hearing.

Between which it is indicated to protect hearing is the vitamin consumption To, B and in necessary cases vasodilator medicines that the doctor will determine according to each patient.

Between the main measures of prevention they are:

- To diminish the time of exhibition to constant and strong sounds.

- To use acoustic protective equipment in work places that produce much noise.

- To avoid to raise the volume of radios, television sets or videojuegos anywhere.

- To avoid the use of headsets by long short whiles.

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