Name the form of acute mesenteric ischemia which has

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235. Name the form of acute mesenteric ischemia which has the highest mortality rate? A. Acute embolic occlusion B. Acute thrombotic occlusion C. Nonocclusive mesenteric ischemia D. Splanchnic artery aneurysm E. Mesenteric vein thrombosis 236. The intestine is viable in over 90% of patients if the duration of mesenteric ischemia symptoms lasts: 237. Superior mesenteric artery embolism can be caused by: 1. Aneurysm of the left ventricle after myocardial infarction; 2. Atrial fibrillation; 3. Bacterial endocarditis; 4. Right ventricle hypertrophy; 5. Pulmonary artery stenosis. Choose correct combination: А. 1, 3, 4; B. 1, 2, 3; C. 2, 3, 4; D. 2, 3, 5; E. All are correct. 238. What can cause infarction of the intestine: 1. Superior mesenteric artery embolism; 2. Superior and inferior mesenteric artery embolism; 3. Superior mesenteric artery thrombosis; 4. Superior mesenteric vein thrombosis; 5. Prolonged spasm of small intestine arteries. Choose the BEST combination. 45
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239. In a patient with superior mesenteric artery embolism in stage of bowel infarction (part of small intestine necrotised) should be performed the following operation: 240. A 42-years-old patient, who suffers from mitral stenosis and atrial fibrillation, 6 hours ago appeared severe abdominal pain, vomiting, diarrhea. On examination: tenderness in mesogastrium, negative Blumberg sign. CBC: Leukocytes – 21*10 9 /l. What causes acute mesenteric ischemia in this case? A. Acute embolic occlusion of superior mesenteric artery B. Acute thrombotic occlusion of superior mesenteric artery C. Nonocclusive mesenteric ischemia D. Portal vein thrombosis E. Mesenteric vein thrombosis 241. Which parts of the GI tract will be ischemic in case of thrombosis of the orifice of superior mesenteric artery? 242. Which operations we can perform in case of embolic occlusion of superior mesenteric artery (choose the best combination): 1. Embolectomy; 2. Embolectomy and resection of part of small intestine; 3. Embolectomy and left hemicolectomy; 4. Embolectomy and right hemicolectomy; 5. Total excision of ileum, jejunum and right hemicolectomy.
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  • Winter '18
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