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Burns
PATHO TEST 2
| Question | Answer |
|---|---|
| Classification of Burns - Depth | How injury occured -Thermal -Chemical -Electrical -Radiation Higher temp = deeper Longer length = deeper |
| Classification of Burns - Thickness of area burned | Superficial Superficial partial-thickness Deep partial thickness Full Thickness |
| Superficial | damage to epidermal layer vasodilation - redness to skin no blisters healing <1 week |
| Superficial Partial Thickness | char the epidermis and papillary epidermis edema and epidermal blisters skin is wet,raw and pink,white Painful heal in 3-6 weeks scarring may occur |
| Deep Partial Thickness | through epidermis and dermis skin is mottled skin is blistered painful/scarring |
| Full Thickness | Damage to epidermis, dermis, hair follicles, all underlying structures Nerve endings destroyed, pain is RARE Skin white, black, brown, or red edema in surrounding tissues high risk of death |
| Diagnosis of burns | Rule of Nines - Rapid - Body into 11 regions, 9% each of BSA, 1% perniuem - More accurate in adults than children bc of BSA distribution Lund and Browder method - children |
| Three Zones of Injury | Zone of Coagulation - deepest point of injury - most irreversible damage Zone of Stasis - decreased tissue perfusion - potentially reversible damage Zone of hyperemia - outer zone - reddened due to vasodilation - minimal tissue damage |
| General Systemic Responses to Burns | TBSA greater than 30% Leak of potassium into ECF - hyperalkemia Hypotension, tachycardia, decreased urine output Hypovelemic shock- burn shock Fluid resuscitation critical Hypermetabolic state |
| First priorities with burns | ABCEF airway, breathing, circulation, disability, exposure, fluid resuscitation Neurologic status health history Analgesia transfer to burn center F/E, shock potential assesed |
| ARDS | Adult respiratory distress syndrome leading cause of death in severe burn injuries |
| Lab Values | CBC - mus determine hemoconcentration, electrolyte levels, etc Carboxyhemoglobin levels (inhalation injury) - how much O2 and Co2 on hemoglobin Creatine Phosphokinase (CPK) - electrical burns to indicate muscle damage |
| Lab Values Continued | Renal Function tests - BUN, Cr, Urinalysis, dark brown urine or myoglobinuria signals tubular necrosis ABG- Arterial blood gases |
Created by:
Mplaster
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