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How Do You Perform a Fistula Test?

Laura Prigge, AuD

April 8, 2019

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Question

How do you perform a fistula test?

Answer

If you suspect that your patient has a fistula, the following procedure is standard among audiologists. You may use the GSI TympStar Pro in manual mode. First set the pressure at the starting pressure to +300 decapascals and then push the manual button on the front panel. When you push the manual button, the pressure will go to +300 decapascals and hold. You will observe the eyes for any abnormal eye movement. You can do this just manually or you can use VNG goggles or Frenzel goggles. You'll hold for about 20 seconds and if there is a fistula, you will notice some abnormal eye movement. You can also use the manual knob to adjust the pressure more negative or positive if you wish.

For more information, please visit www.grason-stadler.com and the GSI Expo on AudiologyOnline.


laura prigge

Laura Prigge, AuD

Clinical Application Specialist

Laura Prigge, AuD is an Application Specialist with GSI.  Laura received her Doctorate of Audiology degree from AT Still University, a Master's of Arts in Audiology from UCONN and a Bachelor's of Science degree in Communication Disorders from Western Illinois University.   Laura’s 20+ years of experience includes providing manufacturing support for a leading hearing aid manufacturer as well as technical audiology training and support for an international audiologic equipment company.   Prior to that, she managed education and training at another hearing aid manufacturer and conducted audiologic evaluations on children, adults, and geriatric patients at a retail hearing center. 


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