Question:

Estimate the volume of Ringer lactate required in the first 8 hours for a 50 kg male with 40% second-degree burns.

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Parkland total is 4 x kg x percent TBSA; give half of it in the first 8 hours.
Updated On: Jun 24, 2026
  • 8 litres
  • 4 litres
  • 2 litres
  • 6 litres
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The Correct Option is B

Solution and Explanation

Step 1: Pick the formula. Burn fluid resuscitation uses the Parkland formula with lactated Ringer's solution, given as 4 mL multiplied by body weight in kg multiplied by the percentage of total body surface area (TBSA) burned.
Step 2: Plug in the numbers. \[4 \times 50 \times 40 = 8000 \text{ mL}\] This 8000 mL (8 litres) is the total for the first 24 hours.
Step 3: Apply the time split. Half of the total is given in the first 8 hours and the remaining half over the next 16 hours. \[\frac{8000}{2} = 4000 \text{ mL} = 4 \text{ litres}\]
Step 4: Conclude. The first 8-hour volume is 4 litres, so option b is correct. The 8 litre distractor is the full 24-hour total, not the 8-hour share.
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