A 28-year-old male sustains deep second-degree burns covering 30% of his total body surface area (TBSA). He weighs 70 kg. According to the Parkland formula ( of lactated Ringer's), how much fluid should be administered in the first 8 hours post-injury?
Answer and explanation
Correct answer: B. 4,200 mL
- Step 1: The Parkland formula calculates 24-hour crystalloid resuscitation: .
- Step 2: Total 24-hour requirement: .
- Step 3: The formula mandates giving half of the total volume in the first 8 hours from the time of burn: .
- Step 4: The remaining half (4,200 mL) is infused over the subsequent 16 hours.
Answer
4,200 mL.
Why not the others: '2,100 mL' calculates only one-quarter of the requirement; '8,400 mL' is the total 24-hour fluid volume; '5,600 mL' calculates two-thirds of the total volume.
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