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. 2017 Sep 12;86(3):161–166.

Table 2.

Causes of metabolic acidosis (common causes are in bold)

Normal anion gap High anion gap
Gastrointestinal losses of bicarbonate Renal failure
Renal tubular acidosis Ketoacidosis
Treatment with carbonic anhydrase inhibitors Lactic acidosis
Urinary diversion procedures Salicylate poisoning
Excessive administration of 0.9% saline Glycol ingestion (ethylene glycol, propylene glycol) Methanol ingestion