Parkland burn formula + rule of 9s

Initial burn fluid resuscitation. Titrate to UO 0.5-1 mL/kg/hr. Modern guidance recommends modified Brooke (2 mL × kg × %TBSA) when over-resuscitation is a concern.

Weight (kg)% TBSA burned (partial + full thickness)

Total 24 hr

8,400

mL LR

First 8 hr (from injury)

4,200

Next 16 hr

4,200

4 × 70 kg × 30% = 8400 mL LR over 24h
Clock starts at injury, NOT at arrival. Adjust the first 8-hr aliquot accordingly.
Titrate to urine output 0.5-1 mL/kg/hr (adult) · 1-2 mL/kg/hr (peds).

Rule of 9s — adult

Head + neck9%
Each arm (anterior + posterior)9%
Anterior trunk (chest + abdomen)18%
Posterior trunk (upper + lower back)18%
Each leg (anterior + posterior)18%
Perineum1%

Pediatric proportions differ — head/neck larger, legs smaller. Use Lund-Browder for accurate peds TBSA.