Tests used to Diagnose             Gastroesophageal Reflux disease

+ Upper Endoscopy- barium swallow

           - white chalky substance swallowed to coat digestive tract,and expose abnormalities on an x-ray.

+ Endoscopy- 

Flexible tube to visually examine esophagus and stomach clearly

+Esophageal Motility Testing (Manometry)-

Measures movement and pressure by using a catheter that is used by going in through the nose and down your esophagus.