A 75-year old woman with chronic atrial fibrillation presented to the hospital with a 2-day of colicky abdominal pain. The physical examination revealed hypoactive bowel sounds and diffuse abdomina tenderness. Laboratory tests showed a white cell count of 19,400 per cubic millimeter with 92 /o neutrophils, a blood urea nitrogen level of 42 mg per deciliter (15 jimol per liter) and a syrum creatinine level of 3.0 mg per deciliter (267 per liter). The common cause for this problem would be-
Acute occlusion of the superior mesenteric aery (SMA) causes extensive bowel necrosis, resulting in a poor prognosis with an extremely high moality rate. As a result, the residual thrombus disappeared and all branches of the SMA became well visualized. Ref Davidson 23rd edition pg 790
Occlusion of the poal vein
Occlusion of the superior mesenteric vessel
Occlusion of the inferior mesenteric vessel
Perforation of the duodenum back.
Miscellaneous