Paediatrics

Paediatric maintenance fluids (Holliday-Segar)

Calculate hourly and daily maintenance fluid requirement by weight.

Version Holliday-Segar (1957)

Inputs

Maintenance rate (mL/h)

56

Approximately 1344 mL over 24 hours using an isotonic glucose-containing solution.

  • Use isotonic fluid with glucose; hypotonic maintenance fluid causes hyponatraemia.
  • Reduce for oedema, cardiac or renal disease, or SIADH; add deficit and ongoing losses separately.

Formula

4 mL/kg/h for the first 10 kg + 2 mL/kg/h for the next 10 kg + 1 mL/kg/h thereafter

Pediatrics · 1957

Demo content. Educational decision support only. Verify every dose, citation and recommendation against your national formulary and the primary source before clinical use.