Occupational Deafness

[Occupational deafness in dump truck drivers].

Children\'s Deafness

This is an article about children's deafness, it's ethiology, diagnosis, treatment, and educa­tional treatment. Here I have given a brief account about the deafness itself and it's in­dividual and social complications, also it's im­pression on the psychological well baing of the child. Then I have discussed, rather in detail, the ethiology of .children's deafness and I have given some statistic...

Do workers exposed to intermittent aircraft noise suffer from occupational deafness? A study in Alexandria airport.

The study aimed at assessment of noise levels in Alexandria airport and measurement of hearing acuity--among other health parameters of the working personnel. By performing 65 sound pressure level measurements, a questionnaire and air conduction audiometry, significant hearing defects could be revealed. Deficiencies affected hearing levels at all frequencies but especially higher frequencies in...

Sudden deafness

The author explains the clinical presentation, pathophysiology, diagnostic work-up, and management of sudden deafness. "Sudden" deafness is defined as sensorineural hearing loss of 30 decibels or more in at least 3 contiguous frequencies occurring over less than 3 days. The pathophysiology of sudden deafness is poorly understood. Various theories have been proposed, including those attributing ...

Feline deafness.

Cats have among the best hearing of all mammals in that they are extremely sensitive to a broad range of frequencies. The ear is a highly complex structure that is delicately balanced in terms of its biochemistry, types of receptors, ion channels, mechanical properties, and cellular organization. Sensorineural deafness is caused by "flawed" genes that are inherited from one or both parents. Hea...