大林慈濟醫院 版權所有 © 2002 All rights reserved
  Question 4

  What are the causes of elevated anion gap metabolic acidosis ?
What are the causes of normal anion gap metabolic acidosis?
New : Diseases of “Low anion gap “

  Elevated Anion Gap Metabolic Acidosis ( A MUD PILES )

  A Alcohol
M Methanol
U Uremia
D DKA
P Paraldehyde
I Iron/ Isoniazid
L Lactic acidosis
E Ethanol/
Ethylene glycol
S Salicylates/ Starvation

  Normal Anion Gap Metabolic Acidosis ( USED CARP )

  U Ureterostomy
S Small bowel fistulas
E Extra chloride
D Diarrhea
C Carbonic anhydrase Inhibitors
A Adrenal insufficiency
R Renal tubular acidosis
P Pancreatic fistula

  Low Anion gap ( AG<3 )

  1. Lithium toxicity

2. Immunoglobulin G myelomas

3. Hypoalbuminemia of chronic disease