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rule of nines


Definition: method used in calculating body surface area involved in burns, whereby values of 9% or 18% of surface area are assigned to specific regions in the adult as follows: Head and neck, 9%; anterior thorax, 18%; posterior thorax, 18%; arms, 9% each; legs, 18% each; and perineum, 1%.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.