Fluids

Adult maintenance fluid

NICE 2017: 25-30 mL/kg/day water + ≈1 mmol/kg/day Na, K, Cl + 50-100 g/day glucose.

fluids

Required inputs

  • Weight (kg)
  • Elderly / frail / cardiac / renal impairment

Equation or source

NICE CG174 (updated 2017). NEJM 2015;372:14.

Provenance and release status

Equation / algorithm
NICE 2017: 25-30 mL/kg/day water + ≈1 mmol/kg/day Na, K, Cl + 50-100 g/day glucose.
Formula version
adult-maintenance-v1
Tool version
2.4.0
Clinical risk class
C. HIGH-RISK CLINICAL CALCULATOR
Release status
Temporarily unavailable
Source status
Direct primary source identifier not yet resolved
Clinical review status
Clinical verification incomplete; active calculation unavailable
Clinical review date
Clinical review date not yet documented

DOI / PMID / direct guideline identifier 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.
View verification status