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Upper gastrointestinal bleeding is one that originates from a lesion located between the upper esophageal sphincter and the Treitz angle. This bleeding must be of sufficient magnitude to produce hematemesis or mane, it can originate from the digestive tract itself or from adjacent structures that pour its blood content into it, in the space between the two points mentioned. It includes clinical pictures manifested by chronic anemia related to microscopic losses to serious forms that endanger the patient's life and that require rapid resuscitation, diagnosis and treatment of the cause of bleeding. The diagnostic process of upper gastrointestinal bleeding consists of a syndromic phase based on the clinical history, physical examination and basic complementary examinations to identify the causal lesion, which is mainly achieved through upper digestive endoscopy. The upper digestive endoscopy is a technique that allows visualizing the inside of the upper portion of the digestive tract (esophagus, stomach and duodenum) in a direct way by introducing a flexible endoscope through the mouth, obtaining a real-time image. Endoscopic evaluation in a patient with high gastrointestinal bleeding, allows an accurate diagnosis in a high percentage of cases if done early and allows to predict the risk that this injury has to repeat bleeding, thus allowing patients to suggest endoscopic therapy with greater risk. The methodology used is descriptive, with a documentary approach, that is, to review sources available on the web, such as google scholar, with timely, updated and scientifically relevant content that enriches the analysis of the topic raised in this article.

V.E.D.A terapéutica en hemorragia digestiva alta