Question

In: Anatomy and Physiology

Compare the tissue involvement in first-degree, second-degree full-thickness, and third-degree burns. Describe burns based on depth...

Compare the tissue involvement in first-degree, second-degree full-thickness, and third-degree burns. Describe burns based on depth of injury. Discuss burn classification. Describe estimation of total body surface area (TBSA) in a burn.

Explain the rule of nines as a method of determining the extent of a burn

Solutions

Expert Solution

Tissue involvement in burns

*First degree burns - Superficial Burns which includes only epidermis of the skin.

*Second degree full thickness - Epidermis and papillary dermis are involved.

*Third degree burns - Epidermis and whole of the dermis is involved.

Classification of burns based on depth of injury :

Total body surface area(TBSA) involved in burns can be estimated by :

  • Lund and Browder Chart
  • Wallace Rule-of-Nines
  • palmar method

Wallace rule of 9

In this method, body surface area is divided into percentages. These percetages are added to get total body burface area.

  • The front and back of the head and neck - 9% of the body's surface area.
  • The front and back of each arm and hand - 9%
  • The chest - 9%
  • stomach - 9%
  • The upper back - 9%
  • lower back equals 9%
  • The front and back of each leg and foot - 18%
  • The groin area - 1%

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