Equine Fluid and Electrolyte Calculations

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Maintenance Sodium Potassium Bicarbonate Acidosis & Alkalosis

Maintenance and replacement calculator:





litres per day
litres
litres per day

L/hour
L/hour for ~2-5hours

Fluid type - balanced isotonic crystalloid e.g. lactated Ringer's, Plasmalyte-A ®, Normosol-R ®, Hartmann's


Electrolyte replacement calculator:

Sodium



mEq
mL/hour
hours

Recommendations/assumptions:
  • Only correct half of deficit
  • Replace deficit at no more than 0.5mEq/hour (taken into account in calculation for mL of hypertonic/hour)
  • Calculated if no other fluids are being given

Potassium




mEq/L
mEq/hour
mL
L of isotonic fluid

Bicarbonate




mEq/L
mL

Recommendations:
  • Administer 1/4-1/2 of calculated deficit over 60 minutes then re-evaulate.
  • Administer remainder over 12-24 hours.

Acidosis and Alkalosis
Enter values to determine if it metabolic or respiratory, acidosis or alkalosis.
pH
PCO2
HCO3