Osmosis from Elsevier - Anion gap represents a difference between cations and anions. The formula goes: Anion gap = sodium - (chloride + bicarbonate). It normally ranges between 7 and 13 mEq/L.
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Medical Mnemonics: Causes of Anion Gap Metabolic Acidosis – “GOLD MARK” : USMLE / Internal Medicine ABIM Board Exam Review Blog
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