Acute abdominal pain differential diagnosis (mnemonic)

Last revised by Kyriacos S. Evangelou on 9 Aug 2021

A mnemonic to remember the basic differential diagnosis of acute abdominal pain is:



  • A: appendicitis 
  • B: biliary tract disease
  • D: diverticulitis
  • O: ovarian disease
  • M: malignancy
  • I: intestinal obstruction
  • N: nephritic disorders
  • A: acute pancreatitis
  • L: liquor (ethanol) 

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