Abdominal x-ray as a scout film for other procedures such as barium enemas. An upper gastrointestinal series is where a contrast medium, usually a radiocontrast agent such as barium sulfate barium salt mixed with water, is ingested or instilled into the gastrointestinal tract, and X-rays are used to create radiographs of the regions of interest. The barium enhances the visibility of the relevant parts of the gastrointestinal tract by coating the inside wall of the tract and appearing white on the film. A lower gastrointestinal series is where radiographs are taken while barium sulfate, a radiocontrast agent, fills the colon via an
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