gastroenterology videos
Unspecific Colitis due to Shigellosis (2 of 7)
“Colitis due to Shigellosis”. The entire colon was affected. (pancolitis) The illness usually starts abruptly, with diarrhea, lower abdominal cramps, and tenesmus. The diarrheal stool often is mixed...
Unspecific Colitis due to Shigellosis (1 of 7)
A 58 year-old female that 22 days previously was hospitalized, due to acute diarrhea with bloody and mucoid feces. Colonoscopy revealed mucosal inflammation with erythema (redness), edema (swelling),...
Ischemic Colitis
Later endoscopic finding in a mild case of colonic ischemia. Note the more pronounced submucosal hemorrhage as well as the presence of pseudomembranes.
Severe case of Ischemic Colitis (11 of 19)
Ischemic colitis occurs as the result of a compromise in intestinal blood flow that can produce a spectrum of injury from transient self-limited ischemia to fulminant ischemia or transmural infarction....
Severe case of Ischemic Colitis (10 of 19)
Complications of ischemic colitis include chronic ischemic colitis, gangrene of the bowel with resulting perforation and peritonitis, and stricture, which usually develops 3 to 4 weeks after the acute...
Severe case of Ischemic Colitis (9 of 19)
Most patients will present with the acute onset of a mild, crampy abdominal pain and tenderness over the affected bowel. An urge to defecate is common. Within 24 hours, there is usually passage of...
Severe case of Ischemic Colitis (8 of 19)
Ischemic colitis was first described in relation to vascular surgeries and continues to be a potential complication of aortic or cardiac bypass surgery. Aortic surgery is associated with a 1% to 7%...
Severe case of Ischemic Colitis (7 of 19)
Although our patient presented the ischemic colitis in the right colon ischemic colitis, it is reported that the most common sites of involvement are the splenic flexure and the sigmoid colon. The...
Severe case of Ischemic Colitis (6 of 19)
4 days after the first colonoscopy, a follow up colonoscopy was performed because the pathologist required more biopsies, the patient was under antibiotherapy. Numerous medications may produce colonic...
Severe case of Ischemic Colitis (5 of 19)
There are numerous conditions that predispose patients to ischemic colitis. The most common mechanism is hypotension from sepsis or impaired left ventricular function and hypovolemia from dehydration...
Severe case of Ischemic Colitis (4 of 19)
Although frequent in the elderly, younger patients may also be affected. The colon is also predisposed to ischemia by its relatively low blood flow compared with the rest of the gastrointestinal tract....
Severe case of Ischemic Colitis (3 of 19)
Some diverticulae are seen near of the necrosis. Ischemic colitis is the most common form of intestinal ischemia. It manifests as a spectrum of injury from transient self-limited ischemia involving...
Severe case of Ischemic Colitis (2 of 19)
Discrepancy between subjective symptoms and objective findings is a hallmark of ischemic colitis. Thus, diagnosis requires a high index of suspicion in the appropriate clinical setting. The diverse...
Severe case of Ischemic Colitis (1 of 19)
This 57-year-old male with history of diabetes mellitus hypertension and ischemic heart disease (including coronary artery bypass 3 years previously) He was taking 150 mg aspirin, verapamil 240 mg...
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Gottumukkala Raju
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Ahmad Hormati
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Gastroenterology Atlas
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EUS - ENDO
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SAGES - Society of American Gastrointestinal and Endoscopic Surgeons
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American Association for Primary Care Endoscopy
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Colonscopy Quiz by Dr. Raju
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