Using the 4-2-1 rule, what is the hourly maintenance fluid for a child weighing 12 kg?
Answer and explanation
Correct answer: B. 44 mL/hour
- Step 1: The first 10 kg need 4 mL/kg/hour, the next 10 kg need 2 mL/kg/hour, and each kg above 20 needs 1 mL/hour.
- Step 2: That gives 44 mL/hour for 12 kg.
Answer
44 mL/hour.
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