A common treatment modality for hypokalemia is intravenous potassium replacement; especially in the setting of critically low values (<2.5).
When replacing with intravenous fluid mixtures; dextrose should be avoided as a base solution.
WHY? The use of dextrose, will increase blood glucose levels and drive up endogenous insulin production; thereby further lowering K+ levels as insulin increases intra-cellular uptake.
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