Table 3. Radiographic signs suggestive of bowel ischemia in the setting of small bowel obstruction ¹¹ .

Wall hypoenhancement or heterogenous enhancement (with IV contrast) Hyperattenuation without IV contrast Wall thickening (> 3 mm) Mesenteric edema Engorged or occluded mesenteric vessels Pneumatosis intestinalis Portal venous or mesenteric venous gas Free intraperitoneal fluid Whirl sign Closed loop obstruction