Dysphagia work up
If only to solids = Mechanical obstruction-Intermittent indicates lower E ring-Progressive + > 50 + weight loss = E cancer-Progressive + GERD + no weight loss = Peptic strictureIf to both solids and liquids = Motility problem-If progressive indicates scleroderma or achalasia-If intermittent with chest pain indicates diffuse esophageal spasm