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FLUID CALCULATOR
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Name
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Select
patient age from the dropdown box:
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Date Printed
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kg
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If patient
weight is known, enter it here:
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kg
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NOTE: It is the clinician's responsibility to
double check patient age and weight before prescribing fluid.
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A patient's clinical condition may require a fluid
regimen different to the calculated rate.
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Please consult a senior clinician for advice as
required.
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Estimate Patient's
Level of Dehydration
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%
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Rehydrate over a period of
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hours
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kg:
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Daily Maintenance
Fluid Requirement is:
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ml
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ml
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To rehydrate over
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hours:
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Run Fluid Rate at:
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mL/hour
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Assessment of Level of Dehydration
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Mild (<3%)
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Moderate
(4-6%)
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Severe
(7-10%)
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No physical signs
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Dry mucous
membranes
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Increasingly marked signs from moderate group PLUS
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Reduced urine
output
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Decreased peripheral perfusion (cool, mottled, pale peripheries,
CRT>2 sec)
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OR
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Tachycardia
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Sunken eyes
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Thirst
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Diminished
skin turgor
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Anuria
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Dry mucous membranes
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Altered neurological status
(drowsiness, irritaility)
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Hypotension
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Reduced urine output
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Circulatory
collapse
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