Search for: [Abstract = "eshold values in the fatigue test, following the application of routinely used 1 kHz pitch, which was implemented with an additional sound, 14 kHz, was also performed. The hearing thresholds were estimated at 0.25\-20 kHz pitches in patients just before the beginning of the sound exposed work place and after 8 years under exposure. The study group included healthy men, candidates for the work, where the workplace noise exposure was above 85 dB but less than 125 dB. The first audiometric tests were performed in 1998. The tests were repeated following 8 years of exposure in the same group of patients. The audiometric tests were performed in the Medical Diagnostics Center in Huta Sendzimira for Otolaryngological Ambulatory. The audiometric tests began with the following\: 1. the evaluation of hearing threshold in conventional\-frequency audiometry \(0.25\-8 kHz\) for bone and air conduction and evaluation of hearing threshold in high\- frequency audiometry \(9\-20 kHz\). 2. fatigue test \(Peyser test\), the tested study group was exposed to the pitches at 1 kHz, 100 dB applied during 3 min\; after 15 s following the end of pitch application, the consecutive evaluation of hearing threshold was performed for the whole range of frequencies, beginning with 1 kHz. The persons with the presence of the shift were excluded from further participation in the study. 3. The Peyser’s fatigue test was imple"]

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