Estimated serum osmolality from sodium, glucose, and BUN
When to use it
Use to calculate expected serum osmolality and compare with measured values for osmolar gap.
Category
Electrolytes & Acid-Base
References
Purssell RA et al. BMJ. 2001;322(7289):683
Fazekas AS et al. Eur J Emerg Med. 2013;20(2):100-105
About NephroMind
This calculator is part of NephroMind, a free clinical decision-aid platform from the Arab Society of Nephrology and Renal Transplantation (ASNRT) — over 129 bedside nephrology calculators plus a renal drug-dosing database, coded by a practicing transplant nephrologist.