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BURNS - Coggle Diagram
BURNS
ASSESSMENT
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Baseline labs: CBC, U&E, ABG, carboxyhemoglobin
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PATHOPHYSIOLOGY
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Hypermetabolic state (↑ catecholamines, cortisol)
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CLINICAL FEATURES
Pain, erythema, blistering
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Signs of inhalation injury: hoarseness, soot, singed hair, stridor
Systemic: tachycardia, hypotension, fever, oliguria
MANAGEMENT
Emergency
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Oxygen, assess for inhalation injury
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Wound Care (Concise)
Clean, gentle debridement
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CAUSES (Etiology)
Thermal burns: flame, scald, contact
Chemical burns: acids, alkalis
Electrical burns: high voltage, lightning
Radiation burns: sunburn, radiation therapy
CLASSIFICATION
A. By Depth
Superficial (1st degree): epidermis only, red, painful, no blisters
Superficial Partial-Thickness (2nd degree): blistering, moist, very painful
Deep Partial-Thickness: pale, less painful, delayed capillary refill
Full-Thickness (3rd degree): leathery, white/charred, painless
4th Degree: involves muscle, tendon, bone
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By Severity
Minor / Moderate / Major (based on depth, TBSA, location, inhalation injury, comorbidities)
DEFINITION
Injury caused by thermal, chemical, electrical, or radiation sources
Leads to tissue destruction, fluid loss, infection risk, metabolic derangement
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