A barium swallow radiograph is a diagnostic tool used to diagnose GERD. The test identifies structural damage to the esophagus including stricture, active ulcer craters, hiatal hernia, erosion, or other abnormalities that may indicate acid reflux disease. The patient swallows a solution that contains barium then x-rays are taken of the esophagus.
The newest buzz is that researchers have found that it is possible that GERD is due to an immune response more so than the acid itself. Two researchers, Spechler and Souza, found that the acid causes the cells in the esophagus to release chemicals which attract cells that cause inflammation to the esophagus and that these cells then cause the…