AAO-HNSF Certificate Program for Otolaryngology Personnel

How Does it Work?

• A tympanometer has: 1. Air pump and manometer to alter and measure pressure in the ear canal 2. Loudspeaker to deliver a tone 3. Microphone to pick up sound energy remaining in ear canal

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

10

How Does it Work?

• Adults: 226 Hz tone • Infants (under 6 months): 1000 Hz tone

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

11

How Does it Work? • Tympanometry involves measuring admittance while varying pressure in the ear canal relative to atmospheric pressure.

• When things are working properly, the air trapped in the middle ear space is the same pressure as the pressure in the ear canal.

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

12