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Burns

PATHO TEST 2

QuestionAnswer
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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