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Walk the evidence base by book and chapter — the raw source passages that ground Ask, Differential, and the rest.

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contentuptodate· Content· item f43_32_44548

©2013 UpToDate ® Print Email Computed tomography (CT) scan of internal hernia after gastric bypass (mesenteric swirl sign) Arrow points to a classic swirl sign of vessels with obstructed and collapsed bowel after gastric bypass.