Patients meeting inclusion and exclusion criteria will receive prucalopride for 5 days total, with 2mg on day 1, then 4mg on days 2 to 5. On day 5 of the intervention, patients will undergo esophageal manometry. Patients will also complete a symptoms questionnaire for assessment of dysphagia symptoms and the EQ-5D questionnaire for assessment of global quality of life at baseline and on day 5 of prucalopride treatment.