AAO-HNSF Certificate Program for Otolaryngology Personnel

Transient OAEs • Generated by short click stimuli • Range from 1000-4000 Hz • Present in individuals with normal hearing and some mild hearing loss • Maximum amplitude of 25 dB SPL –Adult averages 9 dB –Neonate averages 20 dB

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

7

Distortion Product OAEs • Records a frequency specific tone by using two different tones as inputs • Can create a frequency specific graph of an individual’s hearing • Only present in individuals with normal hearing and some mild hearing losses

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

8

Why Use OAEs? • Quick screening of auditory function • Sensitive to small changes in the auditory system –Vascular compromises –Ototoxic meds

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

9