Using the 4-2-1 rule, what is the hourly maintenance fluid for a child weighing 14 kg?

Answer and explanation

Correct answer: B. 48 mL/hour

  1. 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.
  2. Step 2: That gives 48 mL/hour for 14 kg.
Answer
48 mL/hour.

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