Titlebook: Gastrointestinal Bleeding; A Practical Approach Aurora D. Pryor,Theodore N. Pappas,Malcolm Stanley Book 20101st edition Springer-Verlag New

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https://doi.org/10.1007/978-1-4612-6071-4or hematochezia, depending on the source and the rapidity of hemorrhage. The most common cause of blood per rectum is actually upper gastrointestinal bleeding where blood has traveled antegrade through the intestinal tract. Only about 20% of all gastrointestinal hemorrhages arise from the lower GI t

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Atherosclerosis and Cardiovascular Diseasesl tract that result from chronic obstruction of the submucosal veins. Even though the etiology of these lesions is not well understood, a leading hypothesis is that peristaltic contractions of the muscular layers lead to chronic partial obstruction of submucosal veins of the intestinal wall and with

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Atherosclerosis Disease ManagementIdentification and management of gastrointestinal bleeding originating from the small intestine represents a diagnostic and therapeutic challenge to clinicians. During evaluation of the source of gastrointestinal blood loss, colonoscopy and esophagogastroduodenoscopy (EGD) fail to identify the source of bleeding in approximately 5% of patients.

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Bleeding Colonic TumorsBleeding colonic tumors represent one of many causes of lower gastrointestinal bleeding (LGIB) and may present acutely or chronically. The evaluation and management LGIB as a whole is discussed elsewhere in this text. This chapter will focus on the etiology, work-up, and treatment of bleeding colonic tumors.

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