Renal Emergency Medicine Anaesthesia / Critical Care Standard — widely used clinical formula
Free Water Deficit in Hypernatraemia
Calculates the estimated free water deficit in patients with hypernatraemia to guide fluid replacement therapy.
References
- Adrogue HJ, Madias NE. Hypernatremia. N Engl J Med. 2000;342(20):1493–1499.
Related
Curated clinical cross-links plus same-class fallbacks.
Calculators
Drugs
- Sodium chloride · Saline IV fluid / replacement
- Potassium chloride with calcium chloride and sodium chloride · Crystalloid IV fluid
- Potassium chloride with calcium chloride sodium chloride and sodium lactate · Balanced crystalloid IV fluid
- Potassium chloride with glucose and sodium chloride · IV fluid (mixed)
- Potassium chloride with sodium chloride · IV fluid (potassium + saline)
- Sodium chloride with glucose · IV fluid (saline + dextrose)
Pathways
- Hyperkalaemia Management · UK Kidney Association Guidelines 2020; NICE CKD Guidelines
- Rhabdomyolysis · Renal Association 2018; UpToDate 2024
- Hypocalcaemia (Adult) · Society for Endocrinology
- SIADH (Endocrine Perspective) · European Hyponatraemia Guidelines 2014
- Hepatorenal Syndrome · EASL 2018; ICA 2015
- Acute Kidney Injury (AKI) · KDIGO 2012 / NICE AKI 2019
Decision support only — verify against MDCalc, NICE, or your local guideline before clinical use.