ACG clinical guidelines: diagnosis and management of achalasia
Am. j. gastroenterol; 115 (9), 2020
Achalasia is an esophageal motility disorder characterized by aberrant peristalsis and insufficient relaxation of the lower esophageal sphincter. Patients most commonly present with dysphagia to solids and liquids, regurgitation, and occasional chest pain with or without weight loss. High-resolution mano...