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Maico Ero Scan Pro User Manual

Maico Ero Scan Pro
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Operating Instructions
66
Appendix E: High Frequency Measurements
High Frequency DPOAE Measurements
In healthy young ears, distortion product otoacoustic emissions are normally present in the 6-12 kHz
region. Figure 1 shows ERO•SCAN measurements on a 12 year old. Figure 2 shows ERO•SCAN
measurements obtained on an adult male in his 60s.
The results in the figures below are consistent with our findings in testing 8 children (age 5-13 years)
and 12 adults (age 50-78 years): normal emissions to 12 kHz in children (Figure 1), and no response
above 8 or 10 kHz in older adults (Figure 2).
Although sufficient data to establish age-related PASS/REFER norms are not available, high-frequency
DPOAE measurements may still prove useful in:
Ototoxic drug monitoring in young patients (and older patients who have measurable OAEs)
Prospective studies of noise-induced hearing loss, especially in young subjects
Obtaining scientific data on the effect of aging on DPOAEs39
Figure 1
Figure 2
Figure 3 (see next page)

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Maico Ero Scan Pro Specifications

General IconGeneral
BrandMaico
ModelEro Scan Pro
CategoryMedical Equipment
LanguageEnglish

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