Guideline decision tool · Pediatrics
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Maintenance IV Fluids (Holliday-Segar) — free guideline decision tool
Calculate maintenance IV fluid requirements with the Holliday-Segar method.
Open guideline tool →Computed locally — no data uploaded. For licensed clinicians.
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Guideline-based
Implements the decision logic from published clinical guidelines.
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Runs in your browser
No installation. Enter the patient's values and get a guideline recommendation instantly.
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Data stays local
Nothing is uploaded. Results are for licensed clinicians only.
Common questions
What does Maintenance IV Fluids (Holliday-Segar) do?
Maintenance fluids in children and adults (euvolaemic).
How is the result calculated?
Daily: 100 mL/kg (first 10 kg) + 50 (next 10) + 20 (each kg > 20). Hourly (4-2-1): 4 + 2 + 1 mL/kg.
Is this a substitute for clinical judgement?
No. All results are decision-support only, for licensed clinicians. They must be individualized to the whole patient and the latest guideline version.
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Run Maintenance IV Fluids (Holliday-Segar) now
Calculate maintenance IV fluid requirements with the Holliday-Segar method.
Open guideline tool →For licensed clinicians. Not a substitute for clinical judgement.
Related guideline tools
For use by licensed clinicians and clinical researchers. Computed locally in your browser — no data is uploaded. Not a substitute for clinical judgement.