Bleeding from the gastrointestinal tract can originate from the small bowel. Typically, upper and lower endoscopies are unable to identify the site of bleeding and patients need to undergo special endoscopies with longer cameras to examine the small bowel and find the bleeding site. One of the most commonly used scopes to investigate the first part of the small intestinal is called "push enteroscopy". This is an upper endoscopy that uses a pediatric colonoscope, which is longer. To date, it is unknown what percentage of small bowel can be observed with this technique. Hence, this study aimed to determine the extent of small bowel examined by push enteroscopy. Consecutive patients with suspected bleeding from the small intestine will undergo a push enteroscopy and the depth of the examination will be marked with metallic clips. Subsequently, patients will have a capsule endoscopy, which is a little camera that will take multiple pictures of the whole small intestine. The percentage of small bowel that the push enteroscopy examined will be determined by the percentage of small bowel corresponding to the location of the clips visualized on capsule endoscopy.
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Percentage of small bowel examination
Timeframe: through study completion, an average of 3 years