Other esophagus motility disorders
Dysphagia for liquids as well as solids tends to be intermittent and nonprogressive. DY
Manometry is not routinely used for mild to moderate symptoms because the findings seldom influence medical management
Barium esophagography is useful to exclude mechanical obstruction and to evaluate esophageal motility
Upper endoscopy also is performed to exclude a mechanical obstruction (as a cause of dysphagia) and to look for evidence of erosive refl traders ux esophagitis (a common cause of chest pain) or eosinophilic esophagitis (confirmed by esophageal biopsy)