Maintenance fluids based on body surface area

Child's weight:
kg

surface area in m2
ml/hr based on 1500 ml/m2
ml/hr based on 2000 ml/m2

Maintenance fluid in the pediatric population should ideally be D51/4 NS or D51/3 NS.  1500 ml/m2 is the usual maintenance fluid regimen.  For gentle hydration, consider using 2000 ml/m2.

The formula for this calculating body surface area is:

(4´kg)+7
90+kg

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