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Event. Predicting Severity of Conductive Hearing Loss and Middle Ear Effusion Volume Using Wideband Tympanometry

  • Date:
    25 November 2025
  • Location:
    Online

Overview

This session will explore the topic of wideband tympanometry, focusing on how wideband tympanometry can be utilised to predict the volume of middle ear effusion and severity of conductive hearing loss. The latest advances in research will be presented. Interactive tasks and case studies will be utilised to demonstrate the clinical benefit and applications of wideband tympanometry.

Learning objectives:
- Describe the limitations of single frequency probe tone tympanometry
- Explain the benefits and advantages of performing wideband tympanometry
- Describe how wideband tympanometry can be used to predict middle ear effusion volume and severity of hearing loss

Speaker

Gabrielle Merchant Au.D., Ph.D., CCC-A
Gabrielle R. Merchant, AuD., PhD., CCC-A is an audiologist and hearing scientist and the Director of the Translational Auditory Physiology and Perception Laboratory at Boys Town National Research Hospital. She earned her BA from Smith College (2009), her PhD from the Harvard-MIT Speech and Hearing Bioscience and Technology Program (2014), and her AuD from the University of Massachusetts Amherst (2018). Her translational hearing research focuses on auditory mechanics, auditory perception, and advancing evidence-based practice through improved clinical diagnostic tools. Her laboratory has a particular focus on pediatrics, conductive hearing loss, and wideband acoustic immittance. She has been utilizing wideband acoustic immittance and wideband tympanometry in her research since her early undergraduate work with Dr. Susan Voss (2007). She is passionate about research and efforts that will support the translation of these measurements to clinical practice.

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