1
Q
Calculation
A
(Sodium + Potassium) - (Bicarbonate + Chloride)
2
Q
Causes of raised anion gap
A
Organic Acids:
- Lactic acidosis
- Diabetic Ketoacidosis
Salicylate Overdose
3
Q
Causes of metabolic acidosis with normal anion gap
A
i.e. hyperchloraemic metabolic acidosis
GI loss: diarrhoea, vomiting
Renal Tubular Acidosis
Addison’s Disease
Drugs: Azetazolamide, ammonium chloride injection
