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GSACEP core man LECTURE series:

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1 GSACEP core man LECTURE series:
Burn Management This Curriculum is designed to augment traditional didactic Emergency Medicine training, specific for military residents. Patrick Glynn MD, Capt, USAF Updated: 19Feb2013 1

2 Disclaimer Views and opinions expressed do not necessarily reflect those of GS-ACEP, The Department of Defense, the U.S. Government, the North American Continent, the Western Hemisphere, or Mother Earth. The opinions and practices that may be “off label: do not necessarily reflect the standard of care expected at U.S. “brick and mortar” facilities. Many of these techniques are due to the austere environment from which they were derived and should only be practiced in those circumstances. 2

3 Outline Anatomy Pathophysiology Burn Assessment Management
Reasons for referral Prognosis 3

4 Skin Anatomy Largest organ system of the body Epidermis Dermis
outer layer, varying thickness Dermis Thicker, hair follicles, nerve endings, blood vessels Subcutaneous Fat Muscle 4

5 Skin Anatomy 5

6 Burn Pathophysiology Burns alter capillary permeability
fluid leaks out Volume loss, hypotension worst in lungs ARDS Electrolyte abnormalities 6

7 Thermoregulation Normal skin regulates body temperature
Burned skin doesn’t function properly patients lose autoregulation leads to HYPOthermia Keep burned patients warm 7

8 Zones of Burn Injury Coagulation Stasis Hyperemia
Irreversible destruction Stasis middle layer with Decreased blood flow Can be saved by adequate Resuscitation Hyperemia surrounding area Increased blood flow recovery likely 8

9 Estimating size (TBSA)
Patient’s Palm=1% TBSA Rule of 9’s - percentage surface area Head = 9 Each Arm = 9 Each Leg = 18 Back = 18 Front = 18 Groin = 1% Kids: Head=18, each leg 13.5% 9

10 Age Older and Younger patients have thinner skin
more prone to thermal injury 10

11 Burn Depth - Superficial
Red skin Painful NO blisters heals in 3-7 days example: sunburn 11

12 Burn Depth - Partial Thickness
Epidermis / Dermis Blisters Wet appearing PAINFUL Can convert to full thickness or heal in 2-3 weeks 12

13 Burn Depth - Full Thickness
PAINLESS Waxy Charred Dry Requires surgery / grafting 13

14 Burn Depth 14

15 Assessment - Airway Inhalation Injury Aggressive, Early management
Face / neck burns Hoarse voice Singed nasal / facial hairs Soot in sputum Aggressive, Early management Intubate BEFORE swelling Large ETT for Bronchoscopy 15

16 Assessment - Mental status
Altered hypoxia CO poisoning Cyanide toxicity if surrounded by fire / smoke treat with supplemental Oxygen 16

17 Management Airway - Assess / Reassess & Intervene Dressings in Field
17

18 Pre-hospital care Airway Stop burning process
ie: wash off chemicals Start Fluid resuscitation Transport to hospital Pain control Protect burn wound 18

19 Management - Fluids Urine output - 1mL /kg/hr LR or NS
Parkland Formula TBSA x (weight kg) x (4 LR) = 24 hour requirement 1/2 in first 8 hours 1/2 over the next 16 hours Still need maintenance fluids Urine output - 1mL /kg/hr 19

20 Resuscitation Example
70 kg patient 20% partial and full thickness burns What is the 8 hour fluid requirement? 20

21 Resuscitation Example
70 kg x 20 x 4 = 5600 mL in 24 hours 2800 mL in 8 hours 21

22 Chemical Burns Acid - coagulation necrosis
Alkali - liquefaction necrosis usually worse remove clothing Irrigate aggressively with water / saline 22

23 Refer to burn center Full thickness burns Inhalational Injury
Electrical burns Chemical burns Circumferential burns Partial Thickness >15% Pediatric or Elderly >10% High Risk Locations genital, hands, feet, face, over joints 23

24 Compartment Syndrome Extremities Abdominal
remove rings, jewelry, clothing Abdominal 24

25 Management Aggressive pain control
Compartment syndrome: needs fasciotomy to release pressure Escharotomy - for circumferential burns Tetanus immunization Blisters - Controversial 25

26 Burn Prognosis Increase Risk of Death: Larger burn size Older age
Inhalational Injury Female Pre-existing diseases 26

27 References Tintinalli’s Emergency Medicine 7th Edition, chapter 45 27


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