Acute Abdominal Pain - Location Based Differential Diagnosis Algorithm

Rule out surgical abdomen: pt lying still, rigid/hard abdomen, guarding, severe pain with abdominal vibration (i.e. coughing, rebound)
Remember: pain presentations can be atypical in diabetics (neuropathy), elderly/infants, pregnant women, the immuno-suppressed, and those who have taken antibiotics recently. Locations can be atypical as well - i.e. in a malrotated gut w/ the cecum in the LUQ, appendicitis may present with LUQ pain!

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