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How to Identify a Blocked Probe Fit
How to Identify a Blocked Probe Fit
Learn how to identify a blocked probe fit with the Titan tympanometer.
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The information presented here is based on clinical examples as well as modeled patterns. Text and accompanying. Absorbance sketch is authored by Navid Shahnaz, PhD, Aud, Associate Professor of Audiology in the School of Audiology & Speech Sciences at the University of British Columbia (UBC).
Absorbance measures under more or less blocked conditions will vary. The displayed Absorbance pattern is a sketched example only.
The Absorbance will be very low across the frequency range
Depending on the degree of blockage against the ear canal, the Absorbance might be more or less jerky
Effects of Middle-Ear Disorders on Power Reflectance Measured in Cadaveric Ear Canals, Voss, Susan E., Merchant, Gabrielle R.,Horton, Nicholas J., Ear & Hearing. 33(2):195-208, March/April 2012.
Acoustic Immittance Measures, Basic and Advanced Practice, 2013, Lisa Hunter, Phd, FAAA, Navid Shahnaz, PhD, Aud. (C), Plural Publishing. ISBN10: 1-59756-437-0, ISBN13: 978-1-59756-437-3.
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