Metabolic acidosis resident survival guide: Difference between revisions
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Revision as of 04:25, 24 July 2013
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ogheneochuko Ajari, MB.BS, MS [2]
Definition
Metabolic acidosis is a state in which the blood pH is low (less than 7.35) due to increased production of H+ by the body or the inability of the body to form bicarbonate (HCO3-) in the kidney.
Causes
Life Threatening Causes
Common Causes
Normal Anion Gap Metabolic Acidosis
The mnemonic for the most common causes of a normal-anion gap metabolic acidosis is "DURHAM."
- D- Diarrhea
- M- Miscellaneous (chloridorrhea, amphotericin B, toluene - toluene causes high anion gap metabolic acidosis followed by normal anion gap metabolic acidosis
Increased/High Anion Gap Metabolic Acidosis
The mnemonic "MUDPILES" is used to remember the causes of a high anion gap.
M - Methanol/Metformin
U - Uremia
D - Diabetic ketoacidosis
P - Paraldehyde/Propylene glycol
I - Infection/Ischemia/Isoniazid
L - Lactate
E - Ethylene glycol/Ethanol
S - Salicylates/Starvation