A 25-year-old man sustains 40% total body surface area (TBSA) burns (all deep partial and full thickness) weighing 70 kg. Using the Parkland formula, calculate the volume of Ringer's lactate to be given in the first 8 hours from the time of injury.
- A 2800 mL
- B 11200 mL
- C 5600 mL ✓
- D 4200 mL
Correct answer: C. 5600 mL
Explanation
Parkland formula: Total 24-hour fluid = 4 mL x kg x %TBSA = 4 x 70 x 40 = 11,200 mL. Half of this total (5,600 mL) is given in the first 8 hours from the TIME OF BURN (not arrival), and the remaining half (5,600 mL) over the next 16 hours. Therefore, the correct volume for the first 8 hours is 5,600 mL. Crystalloid given before hospital arrival should be subtracted from this calculation.
Reference: Bailey & Love's Short Practice of Surgery, 27th ed.
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Written and medically reviewed by the StethoPrep medical team.