Investigative endoscopy. Gastroenterologist and nursing staff performing an oesophagogastroduodenoscopy (EGD) on a patient with gastrointestinal bleed

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Investigative endoscopy. Gastroenterologist and nursing staff performing an oesophagogastroduodenoscopy (EGD) on a patient with gastrointestinal bleeding. An oesophagogastroduodenoscopy is a diagnostic endoscopic procedure used to view the upper part of the gastrointestinal tract up to the duodenum - the first section of the small intestine. Here, they are looking for the source of the bleeding.

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Photo credit: © DR BARRY SLAVEN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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