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💧 Maintenance IV Fluids (Holliday-Segar)

UseMaintenance fluids in children and adults (euvolaemic).

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SourceHolliday MA, Segar WE. Pediatrics 1957

Runs locally in your browser (no PHI uploaded). For licensed clinicians — not a substitute for clinical judgement.
Stored on this device for revisit reminders

This-shift next steps

After scoring: open the scene pack, peer scores, and the matching pathway. Local reference — no HIS write.

Score + version; reference only — not a substitute for care · no HIS write

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Methodology · worked example, guidelines & full notes
Clinical takeaway

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.

Weight24 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)
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