Lower gastrointestinal series a familial history of polyps or colon cancer, although it is not uncommon for a barium enema to be done after a colonoscopy for further evaluation. Lower gastrointestinal series A lower gastrointestinal series is a medical procedure used to examine and diagnose problems with the human colon (large intestine). Radiographs (X-ray pictures) are taken while barium sulfate, a radiocontrast agent, fills the colon via an enema through the rectum. The term barium enema usually refers to a lower gastrointestinal series, although enteroclysis (an upper gastrointestinal series) is often called a small bowel barium enema. This test may be done in
Colon cleansing made by manufacturers and practitioners are based on a flawed understanding of the body. There is little evidence of actual benefit to the procedure, and no evidence that it can alleviate the symptoms that are attributed to the theories of colon cleansing. As the colon normally expels waste, colon cleansing is generally unneeded. Colonic irrigation can disrupt the bowel's normal flora, and, if done frequently, can result in electrolyte depletion with dehydration. Rare but severe adverse events have been rectal perforation, as well as amoebic infection, from poorly sterilised equipment. Others claim that colon cleansing may impede the colon's shedding