AAO-HNSF Certificate Program for Otolaryngology Personnel
SRT- Do I Need to Mask? • Headphones? • Inserts? • Which ear?
Example 1 Right Ear: 15 Left Ear: 55
Example 2 Right Ear: 70 Left Ear: 10
AAO-HNS/F
Certificate Program for Otolaryngology Personnel Workshop
16
Learning Objective 3
AAO-HNS/F
Certificate Program for Otolaryngology Personnel Workshop
17
Pure Tone Masking
• Mask when there is a difference between ears of 40 dB (headphones) or 60 dB (inserts) • Effective masking (starting point) = 15 dB • Must use 3 "jumps" of 5 dB to re-establish threshold before it can be marked
AAO-HNS/F
Certificate Program for Otolaryngology Personnel Workshop
18
Made with FlippingBook flipbook maker