For most people, the painful burning sensation in the chest that comes from heartburn is just an occasional mild annoyance. But for those who experience it on a regular basis, uncontrolled heartburn can turn into a very serious problem.
Heartburn is the most common symptom of gastroesophageal reflux disease, or GERD. GERD results from the improper working of the a valve, called the lower esophageal sphincter (LES), that normally keeps food and acids inside the stomach. When it doesn't work correctly,...
A few people have GERD that doesn't respond to treatment. Or they may have other concerning symptoms, such as weight loss, difficulty swallowing, anemia, or black stools. If you're one of them, you may need any of the following tests.
Diagnosing Acid Reflux With a Barium Swallow Radiograph
Your doctor may decide to use a special X-ray procedure -- the barium swallow radiograph -- to rule out any structural problems in your esophagus. In this painless acid reflux test, you will be asked to swallow a solution of barium. The barium enables doctors to take X-rays of your esophagus.
Barium swallow isn't a surefire method of diagnosing GERD. Only one out of every three people with GERD has esophageal changes that are visible on X-rays.