Nephrology tools

Clinical calculators for acute kidney care

Straightforward tools for AKI risk and continuous dialysis sodium and citrate prescriptions. Choose a calculator, enter the clinical values, and see the estimate update immediately.

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AKI risk model

Mortality score at dialysis initiation

Estimate probability of death for critically ill patients starting dialysis using the ATN trial cohort model.

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Cardiac surgery

Kidney failure risk after open heart surgery

Access the external laboratory test–based AKI prediction model and its JAMA reference.

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Continuous dialysis

Sodium prescription calculators

Solve for dialysis intensity or dialysate sodium, estimate D5W infusion, and calculate a 3% saline infusion rate.

Open three calculators →
Continuous dialysis · Citrate

Citrate kinetics on CRRT

Citrate load and worst-case accumulation from the CVVHD or CVVHDF prescription, with projected systemic citrate by liver clearance and after sudden loss of liver metabolism.

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Nephrology videos

Animated abstracts, dialysis fundamentals, circuit setup, and nephron physiology.

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Why the site exists, and how to get in touch.