WITH the advent of hostilities in southeast Asia, the necessity to familiarize masses of personnel with firearms accelerated. With this increased exposure to high-noise levels, it is not surprising that otologic problems were seen.
This study is presented to relate the symptoms and findings in a group of patients who were exposed, without ear protection, to high-intensity impulse noise for a short period of time. It is hoped that the reported findings will serve to emphasize the importance of practicing previously established principles of hearing conservation.
During the six-month period of time in which these 14 cases were collected, the US Air Force Hospital Clark (Philippines) was the only facility in southeast Asia to which hearing problems could be referred for otologic and audiometric evaluation under controlled conditions.While performing these evaluations, it was observed that there were a number of cases of newly developed sensorineural hearing