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26 Νοε 2023 · The "4-2-1" Rule for Maintenance Fluid Therapy in Infants and Children - Pediatric Anesthesia Digital Handbook. Background. One of the primary objectives of maintenance parenteral fluid therapy is to provide water to meet physiologic losses (insensible loss + urine loss).
The 4-2-1 rule is a simplified method for estimating hourly maintenance fluid requirements in pediatric patients. The 4-2-1 rule provides an alternative approach to the Holliday-Segar formula, which calculates daily fluid requirements.
5 Ιουλ 2023 · Recommendations. Maintenance IV fluids are appropriate for euvolemic patients who cannot take adequate enteral fluids. Calculate hourly maintenance fluid rates using standard weight-based formula (4-2-1 rule)
The Maintenance Fluids Calculator calculates maintenance fluid requirements by weight.
This calculator determines the fluid requirement that needs to be corrected in pediatric patients based on weight (because total body water relies on weight). There are two calculation methods used, the Holliday-Segar nomogram and the 4 – 2 – 1 rule.
Delivering a particular quantity of water, dextrose, and electrolytes every hour at a weight-based “maintenance rate” is intended to meet the cellular requirements for basic functionality. The widely used formula for calculating this rate (the “4-2-1 rule”) was developed in 1957 and was popularized as much for simplicity as for accuracy.
30 Ιουν 2024 · The maintenance fluids calculator (MIVF calculator) uses the Holliday-Segar method and the 4-2-1 rule to determine the daily and hourly need for fluids in children. As well as finding out these pediatric maintenance fluids, you can also work out the proper size of the pediatric fluid bolus to be given in times of need.
