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Effects Of Liquid Viscosity And Food Texture On Swallowing Sounds, Chun Feng

Theses & Dissertations

Cervical auscultation (CA) is a technique of monitoring swallowing performance according to swallowing acoustic signals utilizing a stethoscope or other measurement devices such as a microphone and an accelerometer. In the past few years, doctors have utilized the stethoscope to identify the swallowing sounds, which resulted in an inability to accurately diagnose the aspiration/penetration in patients with dysphagia when compared to the gold standard. A digital CA assessment records swallowing acoustic signals and extracts the specific features from the recordings. It has been proven that digital CA as a promising portable and low-cost tool can be used for identifying patients …