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To relieve symptoms To prevent complications(e.g. infection，scarring)To prevent tetanus To identify potential cases of non-accidental injury Aburn is usually a heat injury to the skin.0 Burns are most commo心caused by exposure to flames，hot objects，chemicals，or radiation (e.g. sunburn).0 Electrical burns are less common，but are potentially more serious，as the depth of the burn is usually greater than is apparent，and cardiac damage may occur.A scald is a heat i匆ury caused by hot liquid or steam.