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Burn (injury)




In Medicine , a burn is a type of injury to the Skin caused by Heat , Electricity , Chemicals , or Radiation (an example of the latter is '' Sunburn '').


CLASSIFICATION

In classical medical literature, there were six degrees, the first three of which are still commonly used by the public:
  • First-degree burns are usually limited to redness ( Erythema ), a white plaque and minor Pain at the site of injury. These burns usually extend only into the Epidermis .

  • Second-degree burns additionally fill with clear fluid, have superficial Blister ing of the skin, and can involve more or less pain depending on the level of Nerve involvement. Second-degree burns involve the superficial (papillary) Dermis and may also involve the deep (reticular) dermis layer.


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