1 BURNS …more than just another soft tissue injury.
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Transcript of 1 BURNS …more than just another soft tissue injury.
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BURNS
…more than just another soft tissue injury
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Burn Epidemiology
2,500,000/year100,000 hospitalized
12,000 deaths
Second leading cause of trauma deaths after motor vehicle accidents.
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Skin Form & Function
Largest body organ More than just a passive covering Functions:
SensationProtectionTemperature regulationFluid retention
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Skin Anatomy
Skin LayersEpidermisDermisSubcutaneous
tissue
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Epidermis
Outer layer Top (stratum corneum) consists of dead,
hardened cells Lower epidermal layers form stratum
corneum and contain protective pigments
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Dermis
Elastic connective tissue Contains specialized structures
Nerve endingsBlood vesselsSweat glandsSebaceous (oil) glandsHair follicles
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Subcutaneous/Muscle
Fat (protective layer) Muscle for support, movement,
coordination Depth of burn?
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Major Concerns
Loss of fluids
Inability to maintain body temperature
Infection
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Superficial Burns
Superficial (First degree) Involves only epidermis Red Painful Tender Blanches under pressure Possible swelling, no blisters Heal in ~7 days
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Partial Thickness Burns
Partial Thickness (Second degree) Extends through
epidermis into dermis Salmon pink Moist, shiny Painful Blisters may be present Heal in ~7 to 21 days
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Partial Thickness Burns
Burns that blister are second degree.
But all second degree burns don’t blister.
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Full Thickness Burns
Full Thickness (Third degree) Through epidermis, dermis
into underlying structures Thick, dry Pearly gray or charred
black May bleed from vessel
damage Painless Require grafting
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Burn Depth
Often cannot be accurately determined in acute stage
Infection may convert to higher degree
When in doubt, over-estimate
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Burn Depth
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Burn Depth
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Burn Depth
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Burn Depth
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Burn Extent
BSA Estimation
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Burn Extent: Rule of Nines
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Burn Extent: Rule of Thumb
“Rule of Palm”Patient’s palm
equals 1% of his body surface area
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Burn Severity
DepthExtent
LocationCause
Patient AgeAssociated Factors
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Critical Burns
Full-thickness burns involving hands, feet, face, upper airway, genitalia, or circumferential burns of other areas
Full-thickness burns covering more than 10% of total body surface area
Partial-thickness burns covering more than 30% of total body surface area
Burns associated with respiratory injury
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Critical Burns, continued
Burns complicated by fractures Burns on patients younger than 5 years old or
older than 55 years old that would be classified as moderate on young adults
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Moderate Burns
Full-thickness burns involving 2% to 10% of total body surface area excluding hands, feet, face, upper airway, or genitalia
Partial-thickness burns covering 15% to 30% of total body surface area
Superficial burns covering more than 50% of total body surface area
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Minor Burns
Full-thickness burns involving less than 2% of the total body surface area
Partial-thickness burns covering less than 15% of the total body surface area
Superficial burns covering less than 50% of the total body surface area
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Associated Factors
Patient Age< 5 years old> 55 years old
Burn LocationCircumferential burns of chest, extremities
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MANAGEMENT
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Initial Assessment
Scene Safety BSI Determine MOI/Severity Number of Patients Additional Resources
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Stop Burning Process!
Remove patient from source of injury
Remove clothing unless stuck to burn
Cut around clothing stuck to burn, leave in place
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Assess Airway/Breathing
Start oxygen if:Moderate or critical burnDecreased level of consciousnessSigns of respiratory involvementBurn occurred in closed spaceHistory of CO or smoke exposure
Assist ventilations as needed
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Assess Circulation
Check for shock signs /symptoms
Early shock seldom results from effects of burn itself.
Early shock = Another injury until proven otherwise
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Obtain History
How long ago? What has been done? What caused burn? Burned in closed space? Loss of consciousness? Allergies/medications? Past medical history?
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Rapid Physical Exam
Check for other injuriesRapidly estimate burned,
unburned areasRemove constricting bands
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Treat Burn Wound
DO NOT apply ointments or creams Superficial Burn:
Cool, moist dressingsProtect from exposure to air
Partial/Full Thickness Degree Burns:Cover with dry dressing (commercial burn
sheets are acceptable)
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Pediatric Considerations
Thin skin, increased severity Large surface to volume ratio Poor immune response Small airways, limited respiratory reserve
capacity Consider possibility of abuse
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Burns in Infants and Children
Critical Burns: Full-thickness burns covering > 20% of BSA Burns involving hands, feet, face, upper airway,
genitalia Moderate Burns:
Partial-thickness burns 10%-20% of BSA Minor Burns:
Partial-thickness burns < 10% of BSA
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Geriatric Considerations
Thin skin, poorly circulation Underlying disease processes
PulmonaryPeripheral vascular
Decreased cardiac reserve Decreased immune response % Mortality=BSA burned (Age + %)
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Inhalation Injuries
…Beware the unseen injury!
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Concerns:
Hypoxia Carbon monoxide toxicity Upper airway burn Lower airway burn
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Carbon Monoxide Poisoning
Product of incomplete combustion Colorless, odorless, tasteless Binds to hemoglobin 200x stronger than
oxygen Headache, nausea, vomiting, “roaring” in
ears Exposure makes SpO2 useless!
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Upper Airway Burn
True Thermal Burn Danger Signs
Neck, face burnsSinging of nasal hairs, eyebrowsTachypnea, hoarseness, droolingRed, dry oral/nasal mucosa
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Lower Airway Burns
Chemical Injury Danger Signs:
Loss of consciousnessBurned in a closed spaceTachypnea (+/-)CoughRales, wheezes, rhonchiCarbonaceous sputum
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Chemical Burns
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Concerns:
Damage to skin Absorption of chemical; systemic
toxic effects EMS personnel exposure Hazmat incident?
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Management
Remove chemical from skin Liquids
Flush with water Dry chemicals
Brush awayFlush what remains with water
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Chemical Burns Occur whenever a
toxic substance contacts the body
Eyes are most vulnerable.
Fumes can cause burns.
To prevent exposure, wear appropriate gloves and eye protection.
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Care for Chemical Burns
Remove the chemical from the patient.
If it is a powder chemical, brush off first.
Remove all contaminated clothing.
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Care for Chemical Burns, cont'd
Flush burned area with large amounts of water for about 15 to 20 minutes.
Transport quickly.
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Specific Chemical Burns
PhenolNot water solubleFlush with alcohol
Sodium/Potassium/MagnesiumExplode on water contactCover with oil
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Specific Chemical Burns
TarUse cold packs to solidify tarDo NOT try to removeTar can be dissolved with organic
solvents later
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Chemical Burns to the Eye
Hold open eyelid while flooding eye with cold water.
Continue flushing en route to hospital.
Do not use other chemicals
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Electrical Burns
Current kills, not voltage!
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Considerations:
Intensity of current Duration of contact Kind of current (AC or DC) Width of current path Types of tissues exposed (resistance)
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Electrical Burns
Non-conductive injuries:Arc burns Ignition of clothing
Conductive injuries:“Tip of Iceberg”Entrance/exit wounds may be smallMassive tissue damage between entrance/exit
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Electrical Entrance/Exit Wounds
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Other Complications
Cardiac arrest/arrhythmias Respiratory arrest Spinal fractures Long bone fractures Internal organ damage
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Electrical Burn Management
Make sure power is off before touching patient.
Check ABCS Two wounds to
bandage. Transport patient
and be prepared to administer CPR.
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ALS Indicators
Possible airway involvement including singed facial hair, soot in mouth/nose, or hoarseness
Burns with injuries: shock, fractures, or respiratory problems
Partial or full thickness burns to the face Partial or full thickness burns > 20% BSA Severe pain (ALS pain control)