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26 lis 2023 · In anesthetic practice, this formula has been further simplified, with the hourly requirement referred to as the “4-2-1 rule” (4 mL/kg/hr for the first 10 kg of weight, 2 mL/kg/hr for the next 10 kg, and 1 mL/kg/hr for each kilogram thereafter.
The 4 – 2 – 1 rule for maintenance IV fluid therapy (Normal Saline or Ringer’s Lactate): 4 ml/kg/hr for the first 10kg of body mass. 2 mg/kg/hr for the next 10 kg of body mass. 1 mg/kg/hr for body mass beyond 20kg. Reduce the rate by 40% in normovolemic children to prevent fluid overload.
The Maintenance Fluids Calculator calculates maintenance fluid requirements by weight. Based on Holliday-Segar method and the 4-2-1 rule.
Holliday-Segar “4-2-1” Rule: No or Not candidate for enteral. “IV Fluid Therapy: First 1-10 kg = 4 mL/kg/hr. Next 11-20 kg = 2 mL/kg/hr. Next > 20 kg = 1 mL/kg/hr. Add together for maintenance rate. Calculation example. BSA method: • BSA (m2) × 1600 mL/m2/day = Daily requirement.
Sometimes referred to colloquially as the “4-2-1 rule,” it is constructed as follows: For the first 10 kg of body weight, deliver 4 mL/kg/h of intravenous fluid. For every kg of body weight between 10 and 20 kg, deliver an additional 2 mL/kg/h.
5 lip 2023 · Objectives. Standardize care of pediatric patients who require maintenance IV fluids in the hospital. Reduce utilization of maintenance IV fluids. Use best available evidence to guide selection and monitoring of appropriate maintenance IV fluids with consideration for patient-specific factors.
25 wrz 2023 · Instead of the 4-2-1 rule, healthy children presenting with marginal to moderate hypovolemia (e.g., fasting for surgery) should be administered 20-40 mL/kg of isotonic fluids during the surgery and postanesthesia care unit.
