Term
tympanometric measure of more than one component of immittance, usually conductance (Ga) & susceptance (Ba), at a single frequency |
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Definition
multi-component tympanometry |
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Term
Tympanometric measure of middle ear function with a conventional 226-Hz probe tone AND with one or more additional probe-tone frequencies |
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Definition
multi-frequency tympanometry |
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Term
Multi-Component AND Multi-Frequency Tympanometry: -Can record multi-component tympanograms (Y, B, G) using different probe-tone frequencies ___, ___, and ___ Hz -Diagnostic parameters: ___ frequency and tymp ___ or ___ pattern |
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Definition
226, 678, 1000; resonant; configuration; vanhuyse |
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Term
Freq at which outer & middle ear work most efficiently |
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Definition
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Term
Multi-Component Tympanometry Estimate Resonant Frequency (Res): -ResY uses ___ freq where central notch appears on Y tymp -Res B+ uses lowest freq where notch on B tymp __ susceptance at +200 daPa -ResB- uses susceptance at the extreme ___ value |
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Definition
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Term
Simplest Way To Estimate RF Use Y Tymp: -RF is lowest freq at which Y tymp first ___ ResY -Disadvantages: cannot see __ and __ tymps separately and may mistakenly ID notch that was an ___ |
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Definition
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Use B Tymp to Estimate RF: -Estimate RF is at central notch in B tymp :___ to or ___ the negative tail ResB- or positive tail ResB+ -Run B tymps at ___ frequencies |
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Definition
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Term
Vanhuyse Model: -Assumes notched patterns in tymps occur due to interactions between ___ & ___ -Predicts __ patterns of susceptance (B) & conductance (G) tympanograms -Predicts shapes of __ and __ tymps at 678 Hz in normal ears & ears with pathology -Model extended to ___ probe-tone freqs |
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Definition
reactance; resistance; 4; B & G; higher |
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Term
Vanhuyse Model: 4 Categories -1B1G -3B1G -3B3G -5B3G |
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Definition
-1 peak on B and 1 peak on G -2 peaks and 1 trough on B and 1 notch on G -2 peaks and 1 trough on both B and G -3 peaks and 2 troughs on B and 2 peaks and 1 trough on G |
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Term
Advantages of MF Tympanometry: -Use ___ Hz tympanogram to determine tympanogram type: 1000 Hz detects otitis media with effusion (OME) in children __-__ months of age better than 226-Hz tymps -Also test ___-Hz tympanogram to measure ECV |
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Definition
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Term
___ Hz tymps and ___-Hz tymps are used to test babies < 6 months |
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Definition
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Term
In babies 6 months & younger: -Use ___-Hz probe tone to get valid ECV measures -Use 1000-Hz probe tone to determine ___ shape |
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Definition
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