Lower GI series
Lower GI series
The Lower GI series (pronounced: loh-er jee-eye seer-eez), also known as a barium enema, is a medical procedure used to examine and diagnose problems with the human colon and rectum. The term originates from the use of barium sulfate, a substance that improves the visibility of the colon and rectum in X-ray images, and the term "enema", which refers to the introduction of a fluid into the rectum.
Procedure
During a Lower GI series, a liquid solution containing barium sulfate is introduced into the colon through the rectum. This is followed by X-ray imaging, which allows doctors to view the colon and rectum in detail. The procedure is often used to diagnose conditions such as diverticulosis, polyps, colorectal cancer, and inflammatory bowel disease.
Risks and Complications
Like any medical procedure, a Lower GI series carries some risks. These may include allergic reactions to the barium, infection, and perforation of the colon. Patients may also experience discomfort or pain during the procedure.
Related Terms
- Upper GI series: A similar procedure that examines the esophagus, stomach, and small intestine.
- Colonoscopy: A procedure that uses a flexible, lighted tube to examine the entire length of the colon.
- Sigmoidoscopy: A procedure that examines the lower part of the colon using a short, flexible, lighted tube.
External links
- Medical encyclopedia article on Lower GI series
- Wikipedia's article - Lower GI series
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