Most common causes of death in first 48 hours after burn injury - Answers - Respiratory complications,
often related to smoke inhalation
- After 48 hours, sepsis becomes the most common cause of death
Whenever major thermal injuries occur to a BSA > _________ , fluid shifts will be significant enough to
cause some degree of hypovolemia - Answers 15-20%
Capillary leakage (from burns) leads to: - Answers Edema in surrounding tissues
Intravascular fluid loss
Inc blood viscosity >> Increases PVR
= Poor perfusion
How to estimate TBSA burns - Answers Only 2nd and 3rd degree burns should be included in TBSA %
Small burns - Adult palm (1%)
Larger burns - Rule of 9's (except for infants d/t big head >> use Lunder Browder chart, OR 18% to head,
14% to each lower limb)
Rule of 9's - Answers 18% to front of trunk
18% to back of trunk
18% to each lower extremity
9% to head
9% to each upper extremity
1% to neck and 1% perineum
S/S of a/w inhalation injury - Answers Singed nasal hairs
Hoarse voice
Stridor
Facial burns
, Carbaceous sputum
Tachypnea
Parkland formula - Answers LR @ 4 ml/kg x % TBSA burned, over first 24 hours
First ½ of volume administered w/in first 8 hours after injury **from time of injury NOT time they
present**
Rest of volume over next 16 hours
** For 2nd and 3rd degree burns only **
Consider these 5 steps when deciding on tx for burn - Answers Determine depth of the burn (1st, 2nd,
3rd degree)
Determine the extent of the burn (TBSA %)
Determine the weight of the patient (kg)
Determine concomitant injuries (smoke inhalation).
Consider co-morbid conditions (heart failure, etc.).
Burns are classified by: - Answers Depth and extent
Adult 2nd degree burns classification (extent) - Answers Major >25%
Mod 15-25%
Minor <15%
Adult and children 3rd degree burn classification (extent) - Answers Major >10%
Mod 3-10%
Minor <3%
Children 2nd degree burn classification (extent) - Answers Major >20%
Mod 10-20%
Minor <10%