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# Esophageal Motility Disorder ## Primary Esophageal Motility Disorders: * Achalasia, "vigorous" achalasia * Diffuse and segmental esophageal spasm * Nutcracker esophagus * Hypertensive lower esophageal sphincter * Nonspecific esophageal motility disorders ## Achalasia * Complete absence of peris...

# Esophageal Motility Disorder ## Primary Esophageal Motility Disorders: * Achalasia, "vigorous" achalasia * Diffuse and segmental esophageal spasm * Nutcracker esophagus * Hypertensive lower esophageal sphincter * Nonspecific esophageal motility disorders ## Achalasia * Complete absence of peristalsis in the esophageal body vs. primary disorder of the LES (non-relaxing)** * Pathogenesis: neurogenic degeneration (idiopathic or due to infection) * "Bird's Beak" * Pneumatic dilatation vs. myotomy* * Opening of muscles, we treat the circular muscle fibers, more aggressive *Note: The image includes a diagram of the esophageal muscles. The inner muscle is circular and the outer muscle is longitudinal.*