KEY TAKE-HOME POINT: Always remember to include APAP on the differential diagnosis of high-anion-gap metabolic acidosis. A good mnemonic is A CAT MUDPILE:

• Aspirin
• Cyanide, carbon monoxide
• Acetaminophen
• Theophylline
• Methanol, metformin
• Uremia
• Diabetic ketoacidosis (or alcoholic ketoacidosis)
• Propylene glycol
• Iron, INH
• Lactic acidosis
• Ethyelene glycol

via Early metabolic acidosis and coma in massive acetaminophen overdose | The Poison Review.

This is simply a fun blog post.