Tympanometry: Methodology, Interpretation and Clinical Application

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Note the unusually high static compliance From <strong>Clinical</strong> Impedance Audiometry 2 nd ed Jerger, Northern
Physical Volume of ear canal Normally is between 1.0 to 1.5 cc •True Type B tympanogram has normal PV •If Type B with tiny PV, then probe tip is against EAM wall From <strong>Clinical</strong> Impedance Audiometry 2 nd ed Jerger, Northern
Page 1 and 2: Ted Venema PhD Conestoga College TY
Page 3 and 4: To Increase Sound Pressure So airbo
Page 6 and 7: 2. Then there’s this leverage thi
Page 8 and 9: Middle Ear Ossicles From Yost, WA F
Page 10 and 11: Leverage action of ossicles is like
Page 12 and 13: SO, IN SUMMARY The middle ear provi
Page 14 and 15: 30 20 10 0 Total Ear Canal & Concha
Page 16: Otitis Media & Kids Their Eustachia
Page 20 and 21: Serous Otitis Media
Page 22 and 23: Retracted TM Note stapes in backgro
Page 24: PE (pressure equalizing) Tube
Page 29 and 30: Middle ear is a closed space: Quite
Page 32 and 33: •Mass Impedance & the Middle Ear:
Page 34 and 35: Tympanometry Terms •Impedance: Re
Page 36 and 37: While probe pump changes air pressu
Page 38 and 39: Why the 226 Hz tone? Why not 250 Hz
Page 40: Less SPL at the probe tip in ear ca
Page 47 and 48: Note Progression from Negative (typ
Page 49: From Clinical Impedance Audiometry
Page 53 and 54: Lass & Woodford Hearing Science Fun
Page 55 and 56: Note: if one ear gets the loud soun
Page 57 and 58: Question: Why do we really have aco
Page 59 and 60: Answer: Not to protect against NIHL
Page 61 and 62: Inner hair cells Outer hair cells H
Page 63 and 64: Damaged Hair Cells (mostly outer) F
Page 65 and 66: Contralateral ARs were 1 st to be D
Page 67: Stimulus & Probe in RE Stimulus in
Page 70 and 71: ARs Reported in Sensation Level (SL
Page 72 and 73: SNHL and Reduced SL Note: SL decrea
Page 74 and 75: Bilateral SNHL & ARs Katz, Handbook
Page 76 and 77: Conductive HL tends to obliterate A
Page 78 and 79: Katz, Handbook of Clinical Audiolog
Page 80 and 81: Relationship between degree of HL a

Tympanometry: Methodology, Interpretation and Clinical Application

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