usmlejedi
Forum Newbie
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A 74-year-old man presents with two episodes of passing large amounts of bright red blood per rectum. He has a long history of chronic constipation without a recent change in his bowel habits. A flexible sigmoidoscopy reveals multiple large diverticula in the sigmoid colon with copious amounts of fresh blood in this region. No other abnormalities are seen on examination of the splenic flexure, where formed brown stool is encountered. Which of the following is the most likely explanation for his bleeding?
A. Diffuse descending colon ischemia
B. Hemorrhage from a single diverticular arteriole
C. Oozing from an inferior mesenteric vein
D. Thrombosis of a branch of the inferior mesenteric artery
E. Thrombosis of internal hemorrhoids
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| Justice
Just signed contract
Topics: 118
Posts: 2,372
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B. Hemorrhage from a single diverticular arteriole
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| docfor99
Forum Senior
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whats the ans usmle jedi ?
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| njcjzy
Forum Guru
Topics: 26
Posts: 819
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Yes, B. Hemorrhage from a single diverticular arteriole.
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| dermatology
Forum Elite
Topics: 30
Posts: 297
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thrombosis will have bloody diarrhoea which is diff from bright red blood from rectum with constipation .... and also sever most pain in abdo ( thrombosis)
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| Kamsi
Forum Guru
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B
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| elitoki
Forum Guru
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B 
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| Ivonne
Find a way or make one
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Yep, (B)
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