Manometry is the key diagnostic test for<unk> .  Barium esophagram and esophagogastroduodenoscopy are complimentry to manometry in diagnosing<unk> .  Manometric findings such as absent peristalsis or incomplete LES relaxation without any mechanical obstruction characterize<unk> .  Other supportive manometric findings in<unk>  include raised basal LES pressure, increased intraoesophageal pressure and simultaneous non-propagating contractions.
Achalasia other diagnostic studies
Achalasia other imaging findings
Pyloric stenosis differential diagnosis
Esophageal stricture other diagnostic studies
Odynophagia other diagnostic studies
Diffuse esophageal spasm other diagnostic studies
Esophageal cancer other diagnostic studies
Barrett's esophagus other imaging findings