Suspected achalasia (long-standing dysphagia for liquids and solids)
Recommended: Barium Esophagram (bird's beak) + Esophageal manometry is the preferred imaging study for suspected achalasia (long-standing dysphagia for liquids and solids). Manometry is the gold standard.
Recommended study
Barium Esophagram (bird's beak) + Esophageal manometry
Manometry is the gold standard. EGD to exclude pseudoachalasia (tumor at GE junction).