Practice exercise (made-up values, not clinical guidance). A child weighs 66 lb. Using 1 kg = 2.2 lb and the Holliday–Segar 4-2-1 rule, find the hourly maintenance fluid rate R in mL/h.
IV fluids & fluid balance worksheet with answers
Practice exercise (made-up values, not clinical guidance). Use the Holliday–Segar 4-2-1 rule to find the hourly maintenance fluid rate R in mL/h for a child who weighs 9 kg.
Practice exercise (made-up values, not clinical guidance). The record shows a patient's intake and output for one 8-hour shift. The patient weighs 53 kg. Find the average urine output U in mL/kg/h. Round to two decimal places.
Practice exercise (made-up values, not clinical guidance). The record shows a patient's intake and output for one 12-hour shift. The IV infusion ran at the rate shown for the whole shift. Find the total intake I in mL.
Practice exercise (made-up values, not clinical guidance). A 500 mL bag runs by pump at 80 mL/h. At 20:30, 200 mL have already been infused. How many hours t until the bag is empty? Round to one decimal place.
Practice exercise (made-up values, not clinical guidance). A 1000 mL bag runs by pump at 125 mL/h. At 22:00, 350 mL have already been infused. How many hours t until the bag is empty? Round to one decimal place.
Answer key
- 1. R = 70 mL/h
- 2. R = 36 mL/h
- 3. U = 1.59 mL/kg/h
- 4. I = 1500 mL
- 5. t = 3.8 h
- 6. t = 5.2 h
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