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19 Cards in this Set
- Front
- Back
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which heart disease associated with ischemic colitis?
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aortic stenosis
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classification of ischemic colitis?
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reversible (leads to stricture) and fulminant (requires surgery)
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mc location of ischemic colitis?
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splenic flexure
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sx. of ischemic colitis?
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abrupt pain and bloody diarrhea, no pain is common as well
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barium x-ray results of ischemic colitis?
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thumbprint sign of pseudotumors
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most common origin of acute mesenteric ischemia?
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left atrium from mitral valve stenosis
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drug that can cause AMI?
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cocaine
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percentage of AMI that is non-occlusive in nature?
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20%
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hours in which necrosis occurs in AMI?
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3hours to full wall thickness by 6hrs
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two methods of intestinal damage?
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ischemic injury and reperfusion injury
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lab signs in AMI?
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leukocytosis; inc. amylase, CK, phosphates and peritoneal fluid are late signs
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sx. progression in AMI?
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pain out of proportion to exam; distention and tenderness; ascites and shock are later complicaitons
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only dx imaging method of AMI?
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mesenteric angiography, other modalities cannot rule out or in
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drug tx for AMI, especially non-obstructive?
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papaverine(smooth muscle relaxer)
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chief sx. of chronic mesenteric ischemia (CMI)?
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post-prandial pain leading to anorexia. abdominal bruits can be heard on exam
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imaging dx. of CMI?
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arteriography
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tumor levels in colon cancer?
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stage I-no muscularis involvement 90% survival rate in 5yrs
stage II- muscularis involvement 60-80% stage III-lymph node involvement 60% stage IV- mets 10% |
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high risk individual factors for colon cancer?
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UC for more than 10 yrs.
UC or Crohn's w/stricture FH of polyps or cancer FH of FAP or HNPCC |
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types of adenoma?
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tubular
tubulovillous villous |
