Holliday-Segar 4-2-1 maintenance fluid
Daily and hourly fluid maintenance using the 4-2-1 rule: 100 ml/kg for first 10 kg, 50 ml/kg for next 10, 20 ml/kg beyond.
About this calculator
Holliday-Segar (1957) is the universal pediatric and perioperative maintenance fluid rule. It does not include dehydration deficit or ongoing losses – add deficit replacement separately.
Source
Formula version: holliday-segar-1957-v1
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