Abstract
Although achalasia is arguably the most widely known motility disorder, the diagnostic workup and treatment of other primary esophageal motility disorders are increasingly relevant.1 Esophageal symptoms such as dysphagia, non-cardiac chest pain, and regurgitation can arise from primary esophageal motor disorders beyond achalasia, including disorders with impaired relaxation across the lower esophageal sphincter (LES) that do not meet criteria for achalasia and disorders of esophageal peristalsis (Figure 1).
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