Background: Evidence-based guidelines/protocols for electrolyte replacement that safely encourage oral (PO) and/or intravenous (IV) dosing attain goal levels more successfully than standard care. PO is generally more comfortable and less dangerous than IV. Between 5/2017-11/2017, our institution dosed ~300,000 doses of potassium (K) and magnesium (Mg), with 30% and 19% of doses being PO, respectively. [...]