Classification of burn injury

Classification of burn injury 150 150 Tony Guo

Classification of burn injury

  • Severity of injury is determined by
    • Depth of burn
      • Burns have been defined by degrees (first, second, third, and fourth)
      • ABA advocates categorizing burn according to depth of skin destruction
        • Partial-thickness burn
          • Superficial partial-thickness burn
            • Involves epidermis
          • Deep partial-thickness burn
            • Involves dermis
        • Full-thickness burn
          • Involves all skin elements, nerve endings, fat, muscle, bone
    • Extent of burn in percent of TBSA
      • Two commonly used guides for determining the total body surface area
        • Lund-Browder chart
          • Considered more accurate because the patient’s age, in proportion to relative body-area size, is taken into account
        • Rule of Nines
          • Used for initial assessment of a burn patient because it is easy to remember.
          • Sage Burn Diagram
    • Location of burn
      • Severity of the burn injury is also determined by the location of the burn
      • Burns to the face and neck and circumferential burns to the chest or back may interfere with breathing as a result of mechanical obstruction from edema or leathery, devitalized burn tissue (eschar)
      • Burns to the hands, feet, joints, and eyes are of concern because they make self-care difficult and may affect future function
    • Patient risk factors
      • Any patient with preexisting heart, lung, or kidney disease has a poorer prognosis for recovery because of the increased demands placed on the body by a burn injury

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