Diagnosis: 24 hour pH monitoring

This test is the gold standard to diagnose GERD. This measures the amount of acid in the esophagus and records...

Diagnosis: Esophageal manometry

This measures muscle contractions in the esophagus during swallowing. It can measure the strength of the sphincter. A very small...

Diagnosis Upper GI endoscopy

This is a tube with a camera attached, which is used to inspect the esophagus and the stomach. This allows...