Rule Of Nines - Weber State University

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College of Health Professions Rule of Nines

The rule-of-nines is a quick method to assess the extent of burn injury in an adult. To calculate the extent of the burn count:

  1. 9% for both the anterior and posterior surfaces of the head and neck
  2. 9% for both the anterior and posterior surfaces of each upper limb (18% for both)
  3. 18% anterior trunk; 18% posterior trunk; 36% for both anterior and posterior trunk.
  4. 9% for anterior, 9% for posterior surface of each limb (36% total for both lower limbs)
  5. 1% for perineum

Tag » What Are The Rule Of Nines