Other Systems_Integ_Burns

  1. At what level of burn is there no pain bc the nerve endings are gone?
    Full-thickness Burn (3rd degree)
  2. Burns - zones of injury - 3
    • Zone of coagulation
    • Zone of stasis
    • Zone of hyperemia
  3. Burn Zone of coagulation - 2
    • Cells are irreversibly injured
    • Cell death occurs
  4. Burn Zone of stasis - 3
    • Less severe damage than zone of coagulation - surrounds it
    • Reversible damage
    • Cells may die w/o specialized tx, within 24-48 hours
  5. Burn Zone of hyperemia - 3
    • Minimal cell injury
    • Surrounds zone of stasis
    • Cells should fully recover within 7 days w/o any intervention or permanent damage
  6. Extent of burned area is determined by what? - 2
    • % of the body's total surface area that has been burned
    • Depth of burned areas
  7. Classification Systems for burns - 2
    • Rule of Nines
    • Lund-Browder
  8. Burns - % for Adults
    • Head & neck - 9% (4.5% front + 4.5% back)
    • Anterior trunk - 18%
    • Posterior trunk - 18%
    • Arms - 9% each (4.5% front + 4.5% back)
    • Legs - 18% each (9% front + 9% back)
    • Perineum - 1%
  9. Burns - % for children
    • Head & neck - 17% (8.5% front + 8.5% back)
    • Anterior trunk - 18%
    • Posterior trunk - 18%
    • Arms - 9% each (4.5% front + 4.5% back)
    • Legs - 13% each (6.5% front + 6.5% back)
    • Perineum - 1%
  10. Pulmonary complications of burns - 4
    • Pneumonia
    • Pulmonary edema (smoke inhalation)
    • Airway obstruction (smoke inhalation)
    • RLD from burns of trunk
  11. Metabolic complications of burns - 4
    • INC metabolic/catabolic activity
    • Weight loss
    • (-) nitro­gen balance
    • DEC energy stores
  12. Cardiac complication of burns - 1
    DEC CO d/t fluid/plasma loss
  13. 1st degree burn - name
    Superficial
  14. 2nd degree burn - name - 2
    • Superficial partial thickness
    • Deep partial thickness
  15. 3rd degree burn - name
    Full thickness
  16. 4th degree burn - name
    Subdermal
  17. Superficial Burn (1st degree) damage is to - 1
    Epidermis only
  18. 1st degree burns are characterized by what? - 4
    • Erythema: Pink or red appearance
    • No blistering (dry surface)
    • Minimal edema
    • Tenderness, delayed pain
  19. Example of 1st degree burn - 1
    Sunburn
  20. Healing of 1st degree burn - 1
    Spontaneous healing in 2-5 days
  21. Scarring of 1st degree burn
    No scarring
  22. Superficial Partial-thickness Burn (2nd degree) damage is to - 2
    • Epidermis
    • Upper layers of dermis
  23. Characteristics of Superficial Partial-thickness Burn (2nd degree) - 6
    • Bright pink or red appearance
    • Blanching w/brisk capillary refill
    • Blisters, moist surface, weeping
    • Moderate edema
    • Painful, sensitive to touch
    • Temperature changes
  24. Burns - healing of different stages
    • I - spontaneous in 2-5 days
    • II superficial - spontaneous in 7-21 days
    • II deep - slow 3-5 wks
    • III - full thickness - removal of eschar & skin grafting
  25. Burns - scarring at different stages
    • 1st - no scarring
    • 2nd superficial - no to min scarring + discoloration
    • 2nd deep - hypertrophic/keloid scar + blanching
    • 3rd full - Hypertrophic/keloid stays within boundaries of burn
  26. At what burn stage is there moderate edema?
    Superficial Partial-thickness Burn (2nd degree)
  27. Healing of 2nd degree burn - superficial
    Spontaneous healing in 7-21 days
  28. Healing of 2nd degree burn - deep
    Slow - 2-5 wks
  29. Scarring of 2nd degree burn - deep - 2
    • Hypertrophic/keloid scar
    • Blanching
  30. Scarring of 2nd degree burn - superficial - 2
    • Minimal or no scarring
    • Discoloration
  31. Deep Partial-thickness Burn (2nd degree) Severe damage to - 5
    • Epidermis & dermis
    • W/injury in nerve endings, hair follicles, & sweat glands
  32. Characteristics of Deep Partial-thickness Burn (2nd degree) - 6
    • Mixed red or waxy white appearance w/slow capillary refill
    • Broken blisters, wet surface
    • Marked edema
    • Sensitive to P
    • Insensitive to light touch or soft pin prick
    • Severe pain
  33. At what burn stage is there marked edema?
    Deep Partial-thickness Burn (2nd degree)
  34. At what burn stage is there - Insensitive to light touch or soft pin prick
    Deep Partial-thickness Burn (2nd degree)
  35. Healing of Deep Partial-thickness Burn (2nd degree) - 2
    Healing is slow: 3 to 5 weeks
  36. Scarring of Deep Partial-thickness Burn (2nd degree) - 2
    • Hypertrophic and keloid scarring are common
    • Blanching
  37. Full-thickness Burn (3rd degree) - 2
    • Complete destruction of epidermis, dermis, & subcutaneous tissues
    • May extend into muscle
  38. Full-thickness Burn (3rd degree) is characterized by - 6
    • Tissues are white ischemic, gray, or black
    • Parchment-like, dry leathery surface
    • Escar formation
    • No blanching; poor distal circulation
    • Insensate or little pain (nerve endings ore destroyed)
    • Often significant pain is experienced in the surrounding tissue, but not in the full-thickness area
  39. Healing of Full-thickness Burn (3rd degree) - 2
    Removal of eschar & skin grafting are necessary d/t destruction of dermal & epidermal tissue
  40. Scarring of Full-thickness Burn (3rd degree) - 2
    • Hypertrophic scarring & wound contracture
    • Keloid (raised) scar that stays within boundaries of burn wound
  41. Tx of 3rd degree burn - 2
    • Removal of eschar
    • Skin grafting
  42. Subdermal Burn (4th degree) occurs from what?
    • Prolonged contact with a flame
    • Electrical burns
  43. Subdermal Burn (4th degree) - 2
    Complete destruction of epidermis, dermis, w/involvement of subcutaneous tissues & involves bone & muscle
  44. Subdermal Burn (4th degree) is characterized by what? - 3
    • Skin is charred
    • Dry in appearance
    • Mummified
  45. Tx for 4th degree burn - 1
    Amputation
  46. Common deformity for anterior neck w/burns - what splinting is used? (3)
    • Flexion w/possible lateral flexion
    • Splints - Soft collar; molded collar; Philadelphia collar
  47. Common deformity for shoulder w/burns - what splinting is used? (2)
    • ADD / IR / Extension
    • Splints - axillary or airplane splint; sh ABD brace
  48. Common deformity for elbow w/burns - what splinting is used? (4)
    • Flexion
    • Splints - gutter splint; conforming splint; three-point splint; air splint
  49. Hand common deformity w/burns - 5 - what splinting is used? (3)
    • Claw hand (intrinsic minus position)
    • Stress wrist extension (15°)
    • MP flexion (70°)
    • PIP, and DIP extension
    • Thumb ABD (intrinsic plus position)
    • Splints - wrist splint; thumb spica splint; palmar ot dorsal extension splint
  50. Hip common deformity w/burns - 2 - what splinting is used? (2)
    • Flexion & ADD
    • Splints - anterior hip spica; ABD splint
  51. Knee common deformity w/burns - what splinting is used? (3)
    • Flexion
    • Splints - conforming splint; three-point splint; air splint
  52. Ankle common deformity w/burns - what splinting is used? (3)
    • PF
    • Splints - posterior foot drop splint; posterior ankle conforming splint; anterior ankle conforming splint
  53. What is an Allograft (homograft)?
    When is allograft used w/burns?
    • Same species, usually cadaver skin
    • Temporary grafts for LARGE BURNS
  54. What is a Xenograft (heterograft)?
    • Use of skin from other species, usually pigskin
    • Temporary graft
  55. What is Autograft?
    Use of patient's own skin
  56. What is Split-thickness graft?
    Contains epidermis and upper layers of dermis from donor site
  57. What is Full-thickness graft?
    Contains epidermis and dermis from donor site
  58. Epidermis/Upper layer of dermis - what type of graft?
    Split thickness graft
  59. Epidermis & full dermis - what type of graft?
    Full thickness graft
  60. Burns PT post grafts - 3
    • Discontinue PT for 3-5 days to allow grafts to heal
    • Elastic supports to help control edema
    • P garments to help prevent hypertrophic scarring or keloid formation
  61. Topical medications & burns — applied 1-3 /day - 3
    • Ointments - Bacitracin, Polymyxin B, Neomycin, Neosporin
    • Silver sulfadiazine
    • Sulfamylon
  62. Burns - avoid Silver sulfadiazine when? - 3
    • @ term pregnancy
    • <2 month="" old="" infants="" br="">W/sulfa drug allergies
  63. Dressings for burns - 4
    • Silver impregnated
    • Petrolium impregnated
    • Hydrogels
    • Gauze
  64. Surgical resection of scar contracture:
    Z-plasty (surgical incision in the form of the letter Z used to lengthen a bum scar)
  65. Normal scar formation at 6 to 12 weeks looks like what?
    Bright pink scar
  66. Normal scar formation at 12 to 15 months looks like what?
    Changes to a soft lavender & finally faintly pink scar
  67. Scar - look - mature vs immature
    • Immature - bright pink
    • Mature - soft, white, flat
  68. Scar - time frame - mature vs immature
    • Immature - 6-12 wks
    • Mature - 12-15 months
  69. Keloid scar - define; describe; more common in who?
    • Raised scar that extends beyond boundaries of original burn wound
    • Red, raised, firm
    • More common in women & w/dark skin
  70. Normal mature scar - describe (3); time frame
    • Soft
    • White
    • Flat (takes over a year to occur)
    • 12-15 months
  71. Immature scar - describe; time frame
    • Bright pink
    • At 6-12 weeks
  72. Epidermal healing is accomplished by what?
    Protect how?
    • Epithelialization
    • Protect w/moisturizing creams
  73. Dermal healing accomplished by what?
    Scar formation
  74. Initial tx for hypertrophic scars; how long?
    Custom-made P garments - for 23 hrs/day often for 6-12 months
  75. Antibacterial agent that penetrates thick eschar
    Sulfamylon
Author
Tanuisha
ID
326780
Card Set
Other Systems_Integ_Burns
Description
Other Systems_Integ_Burns
Updated