Upper gastrointestinal series (or study), whereas the barium enema is called a lower gastrointestinal series (or study). In upper gastrointestinal series examinations, the barium sulfate is mixed with water and swallowed orally, whereas in the lower gastrointestinal series (barium enema), the barium contrast agent is administered as an enema through a small tube inserted into the rectum. Barium X-ray examinations are useful tools for the study of appearance and function of the parts of the gastrointestinal tract. They are used to diagnose and monitor esophageal reflux, dysphagia, hiatus hernia, strictures, diverticula, pyloric stenosis, gastritis, enteritis, volvulus, varices, ulcers, tumors, and gastrointestinal dysmotility, as
Javier Colon Javier Colon Javier Colon (alternately styled Javier Colón, born April 29, 1978) is an American singer-songwriter and musician. He has referred to his style of music as being "acoustic soul." He was a member of EmcQ and The Derek Trucks Band, and worked with many musicians before going solo. From 2002 to 2006, he was signed to Capitol Records, known as artist Javier. In 2006, however, the contract was terminated and Javier Colon became an independent artist with his own label, Javier Colon Music. In 2011, he was the winner of the inaugural season of the U.S. television show on