The following calculations approximate the maintenance fluid requirement of well children according to weight in kg. Maintenance fluid is that volume of daily fluid intake which replaces the insensible losses (from breathing, through the skin, and in the stool), and at the same time allows excretion of the daily production of excess solute load (urea, creatinine, electrolytes etc) in a volume of urine that is of an osmolarity similar to plasma.Ī child’s maintenance fluid requirement decreases proportionately with increasing age (and weight).
Well children with normal hydration but no oral intake require an amount of fluid that is often termed "maintenance". Well children with normal hydration How much fluid? Pt weight That is why they pass more dilute urine than older children The relatively low energy density of milk means that infants need 150-200mls/kg/day to obtain adequate nutrition. The water requirement is identical for both routes of administration. There is often confusion about the difference between oral and IV fluid requirements for young infants.If you have any doubt about a child's fluid orders - ask a senior doctor More adverse events are described from fluid administration than for any other individual drug. Iincorrectly prescribed or administered fluids are potentially very dangerous.Always check orders that you have written, and ensure that you double check on orders written by other staff when you take over the child's care.
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