💧 Maintenance IV Fluids (Holliday-Segar)
UseMaintenance fluids in children and adults (euvolaemic).
SourceHolliday MA, Segar WE. Pediatrics 1957
This-shift next steps
After scoring: open the scene pack, peer scores, and the matching pathway. Local reference — no HIS write.
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Methodology · worked example, guidelines & full notes
For maintenance only — add deficits and ongoing losses.
When to use
Maintenance fluids in children and adults (euvolaemic).
How it works
Daily: 100 mL/kg (first 10 kg) + 50 (next 10) + 20 (each kg > 20). Hourly (4-2-1): 4 + 2 + 1 mL/kg.
Key points
- For maintenance only — add deficits and ongoing losses.
- Use isotonic fluids; monitor sodium, especially in children.
- Reassess frequently in acute illness.
References
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| Weight | 24 kg |
|---|
→Maintenance rate64mL/h
- Daily volume:1580 mL/day
- Rule:Daily 100/50/20 mL/kg; hourly 4/2/1 mL/kg
Verification & sources · governance
FAQ
Frequently asked questions
- What are the limits and cautions when using Maintenance IV Fluids (Holliday-Segar)?
- For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
- Does Maintenance IV Fluids (Holliday-Segar) upload patient data? Where is it calculated?
- Calculation runs locally in the browser; inputs and results are not uploaded. For licensed clinicians only; interpret with history, investigations and local protocols — not a diagnosis or prescription.
- How is Maintenance IV Fluids (Holliday-Segar) calculated in practice? Can you show a worked example?
- Inputs: Weight 24 kg → Result: Maintenance rate 64 mL/h(Daily volume: 1580 mL/day, Rule: Daily 100/50/20 mL/kg; hourly 4/2/1 mL/kg)