Colonoscopy

A colonoscopy is an internal examination of the colon (large intestine) and rectum, using an instrument called a colonoscope. The colonoscope has a small camera attached to a flexible tube that can reach and examine the entire length of the colon. How the Test is Performed You will usually be given medicine into a vein to help you relax and not feel any discomfort. You will be awake during the test and may even be able to speak, but...

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