Tests & Diagnosis
Barium x-raysAlso called upper and lower GI series, x-rays use barium sulfate, a metallic chemical that x-rays cannot pass through, to take an image of the area under examination.
Endoscopy
This safe test involves the insertion of a slim, flexible tube with a TV camera at one end into the esophagus. It allows the doctor to see the cause of narrowing and to biopsy (take tissue samples for examination under a microscope) any abnormalities.
Important: This information should not be used as a substitute for the medical care and advice of your physician.