Electrolytes
Adrogué-Madias sodium change
Predicted change in serum Na from infusate in a closed-system model; not a fluid prescription.
Required inputs
- Serum Na (mEq/L)
- Infusate Na (mEq/L)
- Infusate K (mEq/L)
- Weight
- Sex
- Elderly / cachectic
- Planned infusate volume (L)
- Over how many hours?
Equation or source
Adrogué HJ, Madias NE. NEJM 2000;342:1581. European hyponatraemia guideline 2014.
Provenance and release status
- Equation / algorithm
- Predicted change in serum Na from infusate in a closed-system model; not a fluid prescription.
- Formula version
- adrogue-madias-v1
- Tool version
- 2.4.0
- Clinical risk class
- C. HIGH-RISK CLINICAL CALCULATOR
- Release status
- Temporarily unavailable
- Source status
- Direct primary or authoritative source identifier resolved
- Clinical review status
- Clinical verification incomplete; active calculation unavailable
- Clinical review date
- Clinical review date not yet documented
Assumptions
- Entered values and units are accurate and apply to the population described by the cited source.
- The published equation or rule is being used without a patient-specific clinical adjustment.
Important limitations
- The result is a calculated estimate, not a prescription, treatment order, or diagnosis.
- Local protocols, the full clinical context, and the primary source must be checked before use.