AAO-HNSF Certificate Program for Otolaryngology Personnel

When to mask for speech?

Interaural attenuation values: – Speech recognition threshold (SRT) – 40 dB – Speech discrimination score (SDS) – 40 dB

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

13

Review - When to Mask? FOR BONE CONDUCTION when there is a difference of 10dB or more between the unmasked bone conduction score and the corresponding air conduction threshold

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

14

Review - When to Mask?

FOR AIR CONDUCTION when there is a difference of 40dB or more between two thresholds (that is the test ear and the non-test ear)

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

15