Stefan Calder

INTRODUCTION: Patients with upper gastrointestinal (UGI) symptoms of abdominal pain, nausea, vomiting, and bloating often complain within the postprandial period…

BACKGROUND: Gastric emptying testing is used to diagnose gastroparesis. However, gastroparesis is a heterogeneous disorder that may involve several distinct underlying pathophysiologies related to impaired gastric function…