Gastrointestinal System

{"ops":[{"insert":"Diagnosis and reasoning"},{"insert":"\n","attributes":{"header":1}},{"insert":"This elderly woman has presented with severe upper abdominal pain of abrupt onset. This is a highly concerning presentation that is strongly suspicious of an abdominal catastrophe.\n\nKey differentials to consider include perforation of a peptic ulcer (PPU) and vascular etiologies such as dissection of an abdominal aortic aneurysm or mesenteric infarction. The possibility of an acute coronary syndrome (ACS) should also be kept in mind.\n\nWhile acute pancreatitis and acute cholecystitis can also present with severe upper abdominal pain, the pain typically begins over a few seconds and then progressively increases in severity over several minutes; this is as opposed to the near-instantaneous onset experienced by this patient.\n\nHer clinical findi"}]}

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