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Colonic angiodysplasia and angiomas are common sources of lower gastrointestinal (Gl) bleeding in elderly patients. Approximately one third of our patients with lower Gl bleeding whose diagnosis was colon angiomas presented with recurrent hematochezia. Many of these patients have severe comorbid...
Diverticulosis of the colon is often diagnosed as the bleeding site in patients who are hospitalized with severe hematochezia and anemia. In the past, indirect evidence, such as the presence of diverticula on barium enema or elective colonoscopy, was used to make a diagnosis and plan therapy....
Severe hematochezia , defined as repeated passage of red blood or clots per rectum, suggests a colonic site of hemorrhage. However, for patients admitted with ongoing, severe hematochezia, symptoms of hypovolemia, and severe anemia, an upper gastrointestinal or small bowel lesion with rapid...
Internal hemorrhoids are extremely common in adults and are the most frequent cause of self-limited hematochezia in ambulatory adults. Most patients with gastrointestinal bleeding from internal hemorrhoids have bright red blood per rectum that stops and is not associated with anemia. However,...
Patients with hemorrhage from an upper gastrointestinal or small bowel lesion may present with hematochezia that masquerades as severe lower gastrointestinal bleeding. Physicians who care for such patients need to remain vigilant to this possibility and carefully evaluate patients who present...
There are several less common causes of severe hematochezia, including colon carcinomas and polyps, postpolypectomy hemorrhage, inflammatory and infectious causes, ischemic colitis, solitary rectal ulcer syndrome, and colonic varices. Management of patients hospitalized with severe hematochezia...
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