A 25-year-old man with 40% total body surface area burns is brought to the emergency department 30 minutes post-injury. Weight is 70 kg. According to the Parkland formula, what is the total fluid volume to be administered in the first 24 hours?
- A 5,600 mL
- B 11,200 mL ✓
- C 16,800 mL
- D 22,400 mL
Correct answer: B. 11,200 mL
Explanation
The Parkland formula calculates 4 mL × weight (kg) × %TBSA burned = total fluid for 24 hours. For this patient: 4 × 70 × 40 = 11,200 mL. Half is given in the first 8 hours from the time of injury, and the remaining half over the next 16 hours. This formula guides resuscitation with lactated Ringer's solution and does not include maintenance fluids. Urine output (0.5-1 mL/kg/hr) is the primary clinical endpoint for adequacy of resuscitation.
Reference: Bailey and Love's Short Practice of Surgery, 28th ed.
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