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
Johnny Colon 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 was produced by George Goldner and sold around three million copies worldwide. He released five albums over the period 1967-72,