Double-contrast barium enema bowel. Double-contrast barium enema A double-contrast barium enema is a form of contrast radiography in which x-rays of the colon and rectum are taken using two forms of contrast to make the structures easier to see. A liquid containing barium (that is, a radiocontrast agent) is put into the rectum. Barium is a silver-white metallic compound that outlines the colon and rectum on an x-ray and helps show abnormalities. Air is also put into the rectum and colon to further enhance the x-ray. Double-contrast barium enemas are less invasive than a colonoscopy and have comparatively fewer issues in a viable
Colon cleansing of dead cells. Excessive use of enemas has also been associated with heart problems, such as heart failure, as well as heart attacks related to electrolyte imbalances when performed as a coffee enema. Frequent enemas or other colon-cleansing tools may lead to dependence and inability to defecate without assistance, as well as potential withdrawal symptoms. Herbs taken orally may modulate the absorption or the activity of prescription medications. Medical doctor Harriet Hall writes that "The colon cleanses itself"... The idea that its walls are coated with years-old hamburger residue is preposterous". Colonic irrigation also known as colon hydrotherapy, colonic hydrotherapy,