Article / Updated 03-26-2016
When you're talking about tests, this section is the Big Time for your esophagus. To reach this level of testing, you must exhibit symptoms of GERD which suggest esophageal damage that requires your doctor take a closer look with one or more of the three following tests:
A barium swallow, a noninvasive radiological examination of your esophageal liningAn upper GI (gastrointestinal) series, a noninvasive radiological examination of your esophagus, stomach, and small intestineAn esophageal endoscopy, an invasive examination of the esophagus that permits the doctor to take a tissue sample for a biopsyThese tests are listed in order of complexity.