Electrolyte Repletion Guideline

Potassium Repletion

  • LOOK AT PHOSPOHORUS
  • 3<K<3.5 and asymptomatic: oral (if able)
  • <3.0: IV potassium
  • K goes up .1 every 10 meq
  • Max repletion rate: 1 meq /kg / day
  • How to order: e.g. 10 meq in 50mL ran over 1 hour (times how much K needs to increase)
    • PIV: 10meq/hr
    • Central line: 20meq / hr

** use potassium acetate in presence of concomitant hyperchloremia

Magnesium repletion:

  • 1g IV raises Mg .1

Sodium Repletion

  • No more than 0.5meq/hour over 24 hours (12meq/day)
  • Calculate!!