Burn Management Flashcards
Burns are a ______ problem, not just an integumentary issue
systemic
Burns are asses by ___________, not by staging or Wagner scale
thickness
Hydrotherapy is commonly used in the management of _______________
large body surface area burns
Any burn over ________% TBSA requires specialized care
9
Burn wounds are high risk for ____________ development when they span a joint
contracture
Burns are at a greater risk of developing __________________ scarring than other wound varieties
Hypertrophic or keloid
Aggressive ____________ interventions are required for optimal management of this patient population
ROM/positioning/splinting
_____________ garments are standard of care
compression
The epidermis is thin, __________ and _________
superficial and avascular
The roles of the epidermis
protection, waterproofing, and regeneration
Primary cell of the epidermis
keratinocyte
Keratinocyte
produces keratin which is the primary structural protein of the skin
What are the 5 layers of the epidermis from superficial to deep
Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, and stratum basale
The basement membrane zone is the interface of the ___________ and ___________
epidermis and dermis
What is the key component of the basement membrane zone?
rete pegs
What do the rete pegs in the basement membrane do?
prevent shear
What is the primary cell of the dermis?
fibroblast
What are the roles of the dermis?
Tensile strength and nutrition to the epidermis
What does the dermis contain?
Collagen and elastin, blood vessels, lymphatics, nerves, and it encloses the epidermal appendages
What do fibroblasts produce?
Collagen
The dermis is located _________ to the epidermis and basement membrane
deep
What are the two layers of the Dermis?
Papillary and reticular
Papillary layer of the dermis is _______, has _________ collagen, and has ____________
superficial, loosely organized, vascular eminences
The Reticular layer of the dermis is _______, has ___________ collagen, and merges with the _______________
deep, thick/densely organized, hypodermis
The dermis contains _________ nerve receptors
sensory
The ____________ of a burn will determine sensory functions likely to be impaired
depth
Free nerve endings are located where and do what?
epidermis and dermis; pain and itch
Merkel’s disks are located where and do what?
stratum spinosum; touch
Meissner’s corpuscle are located where and do what?
Papillary dermis; touch
Ruffini’s corpuscle are located where and do what?
papillary dermis; warm/hot
Krause’s end bulb are located where and do what?
papillary dermis; cold
Pacinian corpuscle are located where and do what?
reticular dermis; pressure and vibration
What is a burn
energy from the heat source is transferred to the body and heat absorption causes cell death
Severity of a burn depends on what?
contact time, temperature, duration, and type
How many burn injuries are there a year in the US?
1.4 - 2 million
Who is at highest risk for a burn?
children under 3 and adults over 70
Most burns are ____________ (75% ______, 13% ____________, 5% __________ = 85-95% heat)
Thermal; flame, hot liquid, contact
About _____% of burns are due to electricity
3
About ________% of burns are chemical
1-2
Chemical burns can be caused by ________________
contact, ingestion, or inhalation of strong acids/alkalis
1% or less for each type of burn comes from ___________, _________, and _______________
hot gases, friction, and radiation
Not all burns are form a hot source, you can also have a ___________ injury
cold
Cold injuries are due to either __________ or ____________
overexposure to cold air/water or core body temp decreases
Hypothermia and frostbite are both cold injuries due to _____________________
overexposure to cold air/water
When a cold injury occurs due to core body temp decreases, ____________ occurs and tissue forms _____________, and __________ and _________ can occur
peripheral vasoconstriction; ice crystals; necrosis and gangrene
The ____________ is used to triage/approximate severity/extent of a burn, but is inaccurate in pediatric pts
rule of 9s
What is more commonly used than the rule of 9s in pediatric burns?
Lund and Browder
Lund and Browder is based on age associated changes in ___________: representation of body parts changes based on growth and development with infant head = _______% TBSA, and adult head = ________% TBSA, and it subdivides body structures farther than the rule of 9s
TBSA; 19; 7
burn depths
Superficial, partial thickness (superficial or deep), and full thickness (subdermal)
superficial burns are red/pink irritated _____________, painful, tender, no _________, min/no _________, and heal spontaneously with no __________ (sunburn)
epidermis, blisters, edema, scarring
First degree burns
superficial burns
Superficial partial thickness burns are bright pink or red, have an inflamed _______, are located in the __________ or __________, they have intact ________, moist surfaces, __________ are ____________ (exposed nerve endings), sensitive to temp and touch, have moderate ________, spontaneous healing, and minimal scarring/discoloration
dermis, epidermis and papillary dermis, blisters, weeping, painful, edema,
severe sunburn, scalds, brief contact thermal and dilute chemicals are examples of what kinds of burns?
superficial partial thickness
Superficial second degree burns
superficial partial thickness
Deep partial thickness burns are red/waxy white, have blanching with slow _____________, is located in the __________, ________, or __________, have broken blisters, a ___________ surface, are sensitive to ____________ but not light touch (_________________ damaged), have significant edema (damaged dermal vessels), Slow _____________, extensive ______________, and hair follicles and sweat glands are __________
capillary refill; epidermis, papillary dermis, and reticular dermis; wet; pressure; merkel’s discs/meissner’s corpuscles; healing; scarring; intact
Deep partial thickness burns are due to ____________________
contact with hot liquids, chemical burns, and flash burns
Deep second degree burns
deep partial thickness
Full thickness burns are what colors?
white, charred, tan, black, or red
Full thickness burns are non-blanching, have poor ____________, are located in the ___________, _____________, and ___________ tissue.
circulation; epidermis, dermis, subcutaneous
third degree burns
full thickness burns
Full thickness burns can be due to _____________
immersion scald, exposure to chemicals or electrical current, or prolonged flame/steam
If a full thickness burn has a ____________, ___________, or __________ skin appearance or the area is _____________ than it requires skin grafting or will have extensive scarring
leathery, rigid, dry; depressed
Subdermal full thickness burns have a ________ appearance, visible ___________ tissue, and have _____________ and _________ damage
charred, subcutaneous, muscle, neurologic
Fourth degree burns
subdermal full thickness burns
Subdermal full thickness burns can be caused by ___________________
electrical, prolonged thermal contact or exposure to strong chemicals
Subdermal full thickness burns cause tissue defects, require _____________, and cause ______________
skin grafting; extensive scarring
What are the 3 zones of burn injury?
zone of coagulation, zone of stasis, and zone of hyperemia