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Old 10-31-2011
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GIT What's true about diverticuli!

A 78-year-old man presents with a moderate amount of bright red blood per rectum. His abdomen is obese but nontender. His hematocrit is 28%. A colonoscope reveals multiple diverticuli. Which of the following is true?
A. He has true diverticuli
B. He has perforated his sigmoid colon
C. He requires antibiotics
D. Painless bleeding rules out diverticuli as the source
E. He has false diverticuli
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Old 11-01-2011
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A 78-year-old man presents with a moderate amount of bright red blood per rectum. His abdomen is obese but nontender. His hematocrit is 28%. A colonoscope reveals multiple diverticuli. Which of the following is true?
A. He has true diverticuli
B. He has perforated his sigmoid colon
C. He requires antibiotics
D. Painless bleeding rules out diverticuli as the source
E. He has false diverticuli
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Old 11-01-2011
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The correct answer is E.
The diverticuli in diverticulosis are false diverticuli. They occur where the vasa rectae enter the colonic wall, making the wall weak in those areas. Diverticulosis is associated with painless lower gastrointestinal bleeding. Unless he develops diverticulitis, he does not require antibiotics. There is no evidence for perforation, given his nontender abdomen.
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