Communication Sciences and Disorders 4411A/B Lecture Notes - Lecture 12: Esophagus, Aspiration Pneumonia, Dysphagia
17 Nov 2017
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Neuromuscular act of moving substance from mouth into throat. Why do we swallow: maintenance, remove natural buildup of _______ in oral cavity. Ingestion: consume liquids and foods, protection, protect respiratory system from entry of foreign material. In adults, upper respiratory and digestive paths are crossed. Respiratory and digestive routes in infants and adults. Purpose: to prepare substance to be swallowed. Includes containing material in oral cavity and preparing food/liquid into cohesive ____, or bolus: oral phase, purpose: to move bolus to rear of oral cavity until swallow reflex is triggered (in pharyngeal phase) Muscles of esophagus move bolus down to stomach in peristaltic contractions. Individual exhibits unsafe or inefficient swallowing pattern that undermines eating or drinking. Include difficulty with any step of the feeding process, from _____ foods and liquids into mouth to entry of food into stomach. Due to developmental, neurological or structural problems that alter normal swallowing process.
