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
Johnny Colon and in 1968 founded the East Harlem Music School. His 2008 album "Keeping It Real" features the American pop songbook. Johnny Colon Johnny Colon is an American salsa musician, leader of the Johnny Colon Orchestra and founder of the East Harlem Music School, also known as a major contributor to the boogaloo sound of the 1960s. Colon was born in New York City to parents of Puerto Rican heritage. He wrote most of the Orchestra's tunes, sings, plays percussion, piano and trombone, and first found success in the world of salsa with his 1967 debut album, "Boogaloo Blues". The record