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HIGH-FREQUENCY AUDIOMETRY - CLINICAL ASPECTS
DOI:10.3109/01050398009076360.png)
摘要
En 中文
For 2 yr aquasi-free-field high frequency audiometer delivering pure tones from 4-20 kHz was incorporated in the audiological test battery. By this technique reliable and reproducible thresholds were obtained above the age of 8-9 yr. In several case histories high frequency audiometry (HFA) contributed to a better audiological diagnosis. HFA apparently is valuable in presbycusis, ototoxicity, noise vulnerability and heredity of deafness. The physiological presbycusis demands normative reference values for each age decade. Many other factors cause an impaired high frequency hearing which is a severe limitation to the diagnostic value of abnormalities.
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