The esophageal mucosa have power to be visualized directly by passing a thin, lighted tube with a tiny heartburn camera attached (an endoscope) through the mouth to canvass the esophagus and stomach. In this way, evidence of esophageal inflammation be possible to be detected, and biopsies taken if necessary.

Since an endoscopy allows a doctor to visually inspect the upper digestive track the procedure may help identify any more mischief to the disquisition that may not have been detected otherwise.

Biopsy A small sample of tissue from the gullet is remote.

It is then studied to check for conflagration, cancer, or other problems.