This version was machine-translated from German and has not been medically reviewed. The authoritative version is the German version.
Osmolal Gap
Measured minus calculated osmolality – with ethanol correction (Purssell 2001)
Scientific basis
Children
The formulas derive from studies in adults; in children they are applied with the age-appropriate total body water fraction. According to the European guideline, the correction limits for sodium (10 mmol/l per 24 h) also apply to children.
Calculation aid for healthcare professionals: the calculator reproduces what the sources cited assign to the inputs. Clinical assessment and every treatment decision remain with the treating physician. Inputs and results are not stored.