Oropharyngeal Dysphagia • due to motor disorders affecting the pharyngeal muscles • Acute or gradual onset and a variable course, depending on the underlying disorder • Aspiration into the lungs or regurgitation into the nose with attempts to swallow. From stroke, bulbar palsy, or other neuromuscular conditions. Esophageal Dysphagia - Mechanical Narrowing • Mucosal rings and webs • Esophageal stricture • Esophageal cancer Motor Disorders • Diffuse esophageal spasm • Scleroderma • Achalasia #dysphagia #differential #diagnosis #causes
