Continuous renal replacement therapy
Sodium calculators for continuous dialysis
Dialysis dose & dialysate sodium
Estimate serum sodium correction over 24 hours with changes in the dialysis prescription.
Patient & target
Solve for dialysis intensity
Prescription
Solve for dialysate sodium
24-hour single-pool sodium kinetics: Na₂₄ = Naᵈ + (Na₀ − Naᵈ) × e−Q×24/V
Projected sodium trajectory
Idealized single-pool projection using the specified effluent rate.
Clinical disclaimer — read before using
DISCLAIMER: The authors make no claim of the accuracy of the information contained herein. The calculations suggested above are inherently prone to errors and bias, and should not be a substitute for clinical judgement. The authors involved in the preparation of the site and its content should not be liable for any special, consequential, or exemplary damages resulting in whole or part from any user's use of or reliance upon this material. PLEASE READ THE DISCLAIMER PRIOR TO USING THE SITE. BY ACCESSING AND USING THIS SITE, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OF THE DISCLAIMER.
D5W infusion rate
Slow down serum sodium correction in patients with hyponatremia on continuous dialysis.
Prescription
Projection inputs
Calculated rate
QD5W = 0.9 × Qeffluent × (Nadialysate − Natarget) ÷ Natarget
Projected sodium trajectory
Idealized single-pool projection using the calculated D5W rate.
Clinical disclaimer — read before using
DISCLAIMER: The authors make no claim of the accuracy of the information contained herein. The calculations suggested above are inherently prone to errors and bias, and should not be a substitute for clinical judgement. The authors involved in the preparation of the site and its content should not be liable for any special, consequential, or exemplary damages resulting in whole or part from any user's use of or reliance upon this material. PLEASE READ THE DISCLAIMER PRIOR TO USING THE SITE. BY ACCESSING AND USING THIS SITE, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OF THE DISCLAIMER.
3% saline infusion rate
Maintain therapeutic hypernatremia on continuous dialysis by adjusting 3% saline infusion rate.
Prescription
Projection inputs
Calculated rate
Uses dialysate sodium 140 mmol/L and 3% saline sodium 513 mmol/L.
Projected sodium trajectory
Idealized single-pool projection using the calculated 3% saline rate.
Clinical disclaimer — read before using
DISCLAIMER: The authors make no claim of the accuracy of the information contained herein. The calculations suggested above are inherently prone to errors and bias, and should not be a substitute for clinical judgement. The authors involved in the preparation of the site and its content should not be liable for any special, consequential, or exemplary damages resulting in whole or part from any user's use of or reliance upon this material. PLEASE READ THE DISCLAIMER PRIOR TO USING THE SITE. BY ACCESSING AND USING THIS SITE, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OF THE DISCLAIMER.