20xx年醫(yī)學(xué)專題—缺血性腸病-文庫(kù)吧
2025-10-31 06:56 本頁面
【正文】 edicine: Concepts and Clinical Practice, 5th ed,第六頁，共三十頁。,Acute fulminant ischemic colitis manifestations,The onset is characteristically acute, with generalized lower abdominal pain, usually in the left lower quadrant, followed within 24 hours by bloody diarrhea or rectal bleeding . Dilation of the colon and physical signs of peritonitis are seen in severe cases. With the gangrenous type, both symptoms and signs progress rapidly.,第七頁，共三十頁。,Acute fulminant ischemic colitis Diagnostic Strategy,No specific serum markers proven in the diagnosis of intestinal ischemia. Abdominal films may reveal thumbprinting from submucosal hemorrhage and edema . * (barium enema is contraindicated in cases of gangrenous ischemic colitis because of the risk of perforation ),第八頁，共三十頁。,thumbprinting,第九頁，共三十頁。,Acute fulminant ischemic colitis Diagnostic Strategy,Sigmoidoscopy or colonoscopy may detect ulcerations, friability, and bulging folds from submucosal hemorrhage. (Colonoscopy is preferred over sigmoidoscopy ) The segmental distribution and rectal sparing of the disease process are suggestive but are not diagnostic.,第十頁
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