IV fluids: Difference between revisions

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<div style="font-weight:bold;">📊 Maintenance Fluids (4-2-1 Rule) Calculator [show]</div>
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Revision as of 13:46, 21 March 2026

📊 Maintenance Fluids (4-2-1 Rule) Calculator [show]

Maintenance Fluids (4-2-1 Rule)

Maintenance IV Fluids (4-2-1 Rule)
Parameter Value
Patient Weight (kg)
Maintenance Rate
Hourly Rate mL/hr
Daily Volume mL/day
References
  • Holliday MA, Segar WE. The maintenance need for water in parenteral fluid therapy. Pediatrics. 1957;19(5):823-832. PMID 13431307.
  • 4-2-1 Rule: 4 mL/kg/hr for first 10 kg + 2 mL/kg/hr for next 10 kg + 1 mL/kg/hr for each kg above 20 kg.