What does lower GI mean?

Lower gastrointestinal (GI) tract radiography, also called a lower GI or barium enema, is an x-ray examination of the large intestine, also known as the colon. This examination evaluates the right or ascending colon, the transverse colon, the left or descending colon, the sigmoid colon and the rectum.Click to see full answer. Likewise, people ask, is a lower GI the same thing as a colonoscopy?A lower GI series, or barium enema, is an X-ray test in which a white liquid, called barium, is placed into the rectum and colon through the anus to enhance x-ray pictures of the large bowel (colon). Barium enema generally is not as accurate as colonoscopy or virtual colonoscopy.Also, what is a lower GI endoscopy? Lower gastrointestinal (GI) endoscopy is a minimally invasive diagnostic technique that allows the clinician to evaluate the mucosal surfaces of the rectum, colon, ileocolic sphincter, cecum, and distal small intestine (ileum) (Figure 1). Subsequently, one may also ask, how do you prepare for a lower GI? Preparation for upper GI or lower GI testing usually includes: Following a low-fiber diet for 2-3 days before the test. Not smoking for 12-24 hours before the test. Not taking certain medications for up to 24 hours before the test. Not eating anything for 12 hours before the test. What causes GI?There are many possible causes of GI bleeding, including hemorrhoids, peptic ulcers, tears or inflammation in the esophagus, diverticulosis and diverticulitis, ulcerative colitis and Crohn’s disease, colonic polyps, or cancer in the colon, stomach or esophagus.