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Calculation Task 11


A patient with kidney failure requires strict fluid input:output monitoring. The patient weighs 80kg and has a urine output of 0.5ml/kg/hour. The patient is required to have a positive fluid balance of 500ml/24 hours. How much should the patient drink every hour (assuming there are no additional fluid inputs/outputs)​
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​(Provide your answer to 1 decimal place)
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​Urine Output in 24 hours = 0.5 x 80 x 24
Urine Output in 24 hours = 960ml

Total Required Fluid Input = 960ml + 500ml
Total Required Fluid Input (in 24 hours) = 1,460ml
Fluid Requirement/Hour = 1460/24

​Fluid Requirement/Hour = 60.8ml/hour​