Burn Shock Pathophysiology & Resuscitation Protocol
Severe thermal injury disrupts endothelial integrity, precipitating massive plasma extravasation into interstitial spaces within hours. Under the consensus Parkland Formula, crystalloid administration (Lactated Ringer's) counteracts hypovolemic shock while avoiding hyperchloremic acidosis.
Wallace Rule of Nines (Adult)
- Head & Neck: 9% (4.5% anterior, 4.5% posterior)
- Torso (Anterior): 18% (Chest 9%, Abdomen 9%)
- Back & Buttocks: 18% (Upper back 9%, Lower back 9%)
- Upper Extremities: 9% each (Arm anterior 4.5%, posterior 4.5%)
- Lower Extremities: 18% each (Leg anterior 9%, posterior 9%)
- Perineum / Genitalia: 1%