An<unk>  (EMS) or esophageal manometry is a<unk>  performed to evaluate the pressure of the esophagus in various stages along its length.
Esophageal motility study
Esophageal endoscopic ultrasound
Achalasia ultrasound
Dysphagia endoscopy
Diffuse esophageal spasm CT scan
Dysphagia CT
Esophageal stricture CT
Flexible fiberoptic endoscopic examination of swallowing