ASGE Recognized Industry Associate (ARIA) Training Program OPEN | March 2023-7_GI Tract In Disease

7_GI Tract In Disease_Small Intestine.update

Pdf Summary

This document discusses various diseases and conditions related to the small intestine in the gastrointestinal tract. <br /><br />The first topic covered is celiac disease, an autoimmune disease of the small intestine triggered by exposure to gluten. Symptoms include fatigue, anemia, abdominal pain, diarrhea, and weight loss. Diagnosis is made through serologic testing and endoscopic biopsies of the small bowel. Treatment involves strict avoidance of gluten.<br /><br />Next, obscure gastrointestinal bleeding is explained as bleeding from the GI tract without an obvious cause. The location of the bleeding is often in the small intestine. Evaluation techniques include repeat upper endoscopy and colonoscopy, capsule endoscopy, and deep enteroscopy. Treatment depends on the cause and severity of bleeding and may involve iron supplementation, blood transfusions, endoscopic hemostasis, radiologic procedures, or surgery.<br /><br />Small bowel obstruction is described as a mechanical or functional obstruction of the small intestine. Symptoms include abdominal pain, distension, nausea, and vomiting. The causes can range from adhesions and hernias to tumors and strictures. Diagnosis is made through X-ray and CT scan. Treatment involves decompression with a nasogastric tube and surgery if necessary.<br /><br />Lastly, mesenteric ischemia is discussed as inflammation and injury of the small intestine due to inadequate blood supply. Acute mesenteric ischemia is caused by a blood clot blocking the superior mesenteric artery, while chronic mesenteric ischemia is often seen in patients with atherosclerosis. Diagnosis is made through various imaging techniques, and treatment involves angiography and surgery.<br /><br />Overall, this document provides a brief overview of the diseases and conditions related to the small intestine in the gastrointestinal tract.

Keywords

small intestine

gastrointestinal tract

celiac disease

gluten

symptoms

diagnosis

treatment

obscure gastrointestinal bleeding

small bowel obstruction

mesenteric ischemia