List of top Surgery Questions on Acute Mesenteric Ischemia asked in INI CET

70-year-old man with atrial fibrillation and severe abdominal pain with disproportionate abdominal signs (pain out of proportion), hemodynamically stable, acute mesenteric ischemia due to embolic arterial occlusion. Next step?

An elderly man with a history of atrial fibrillation presents with sudden severe abdominal pain that is out of proportion to physical findings. Which laboratory finding most strongly supports the diagnosis of acute mesenteric ischemia?