intern.tips
Potassium replacement
Administration
- Central line with continuous cardiac monitoring: infuse at 20 mEq/hr (maximum 40 mEq/hr).
- Peripheral access only: infuse at 10 mEq/hr.
- Serum potassium may increase by about 0.25 mEq/L for each 20 mEq of IV KCl.
- Consider PO/PT replacement if the GI tract is available.
Do not use for
- Hemodialysis or peritoneal dialysis
- Acute kidney injury
- Creatinine clearance under 30 mL/min
- Chronic adrenal insufficiency
- Electrical burns, rhabdomyolysis, DKA, crush injury, or hypothermia
- Active transfer out of the ICU or step-down unit