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Assessing Fluid Needs back | next
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Fluid needs are important to consider for the prevention of dehydration. Specific water needs for an individual can be calculated as 1 ml/kcal/d or 35 ml/kg usual body weight (UBW). The fluid requirement of infants is 150 ml/d and of children is 70 - 100 ml/kg/d.

Patients who have large water losses through perspiration or oozing wounds may require more fluids.
Example Fluid Needs Calculation:

80 kg patient, intake 2500 kcal

80kg x 35ml/kg = 2800ml fluid/d
or
2500 kcal x 1ml/kcal = 2500ml fluid/d

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