Term
which population is mainly affected by mesenteric ischemia? |
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Definition
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what % of ischemia is non-gangrenous? |
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Definition
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3 etiologies of mesenteric ischemia: |
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Definition
1. thrombus/embolism 2. vasospasm 3. hypoperfusion (CHF/shock) |
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2 risk factors for imesenteric ischemia: |
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Definition
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presentation of acute mesenteric ischemia: |
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Definition
sudden onset severe, steady epigastric & periumbilical pain out of proportion to exam findings, may have hypotension, abd distension, gaurding, rebound tenderness, positive OCB |
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presentation of chronic mesenteric ischemia: |
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Definition
presents as abd angina, with pain occuring 10-30min after eating that is releived by squatting or lying down. weight loss reported may have diarrhea |
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Term
characteristic sx of ischemic colitis: |
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Definition
LLQ pain/tenderness/cramping and mild sometimes bloody diarrhea |
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elevated labs in acute mesenteric ischemia: |
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Definition
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what imaging studies aid in dx of ischemic bowel? |
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Definition
x-ray, CT, angiography, MRA, CTA |
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Term
gold standard for study for acute mesenteric ischemia: |
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Definition
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Definition
angiography of mesenteric ischemia |
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prognosis of ischemic bowel: |
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Definition
fatal wo tx, acute mesenteric ischemia mortality >60% |
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Term
4 tx for acute mesenteric ischemia: |
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Definition
1. restore blood flow (surgery) 2. correct acidosis 3. broad spectrum abx 4. NG tube for decompression |
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Term
4 tx for ischemic colitis: |
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Definition
1. control BP 2. bowel rest (NPO) 3. IV fluids 4. broad spectrum abx for moderate to severe cases |
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