Friday, October 24, 2014 4:14

Burns – Rule of Nines

Posted by on الثلاثاء, يناير 13, 2009, 15:39
This news item was posted in Students, Student_Forensic & Toxicology category and has 9 Comments so far.
0
0
0
0
0

Burns – Rule of Nines


Burned Surface Area

Calculating the Amount of Skin Burned

Overall, burn severity is a measurement of the depth of burning and the size of the burn. Measuring the size of a burn is difficult because every person is different in size, shape and weight. It’s impossible to simply choose what universal size of burn is significant. A square foot of burned surface area is much worse to a person who weighs 130 pounds than it is to someone who weighs 200 pounds.

To account for inequities in size and shape, burned surface area is calculated as a percentage of total body area. Of course, we don’t actually know how many square inches of skin covers any single person, but we do know about how much of our skin it takes to cover our arms and legs, for example.

The Rule of Nines

What is the significance of the amount of body area burned?

In addition to the depth of the burn, the total area of the burn is significant. Burns are measured as a percentage of total body area affected. The “rule of nines” is often used, though this measurement is adjusted for infants and children. This calculation is based upon the fact that the surface area of the following parts of an adult body each correspond to approximately 9% of total (and the total body area of 100% is achieved):• Head = 9%
• Chest (front) = 9%
• Abdomen (front) = 9%
• Upper/mid/low back and buttocks = 18%
• Each arm = 9%
• Each palm = 1%
• Groin = 1%
• Each leg = 18% total (front = 9%, back = 9%)
As an example, if both legs (18% x 2 = 36%), the groin (1%) and the front chest and abdomen were burned, this would involve 55% of the body.


Each of these sections takes about nine percent of the body’s skin to cover it. Added all together, these sections account for 99 percent. The genitals make up the last one percent.

To apply the rule of nines, add up all the areas of the body that are burned deep enough to cause blisters or worse (2nd or 3rd degree burns). For example, the entire left arm and the chest covered in blisters would be 18 percent. Partial areas are approximated. For example, the face is only the front half of the head and would be considered 4.5 percent.

Since kids are shaped so much different than adults, there are adjustments made to the rule of nines, which of course ruins the point of making this tool the rule of nines. So many variations exist that it would be fruitless to go into them here.

The most important thing to remember about the rule of nines is that it is intended to be used in the field to quickly determine if victims need to go to a specialty burn center. Once the victim is in a burn center, more advanced techniques will be used to determine the exact burned surface area.

Degrees of Burns

Identifying Full- and Partial-Thickness Burns

Determining the severity of a burn includes establishing how deep the damage goes into or through the skin. Burn thickness in most burn units is classified by degree — the higher the number, the worse the burn.

First-Degree Burns

This means a superficial burn. The surface of the skin is damaged, but the epidermis (the outermost layer of skin) is still intact, and therefore able to perform its functions (control temperature and protect from infection or injury). When determining severity, care providers ignore first-degree burns.
Second-Degree Burns

Related Keyword terms:

,rules of nine,rule of nine,describing burns,rule of nines burns,rule of nines system for describing burns,burns rule of nines,rule of nines,rule of 9 burns,rule of nine in burns,the rules of nine
0
0
0
0
0

Pages: 1 2

You can leave a response, or trackback from your own site.

9 Responses to “Burns – Rule of Nines”

  1. 2009.01.27 23:14

    Good work! Thank you very much!
    I always wanted to write in my site something like that. Can I take part of your post to my site?
    Of course, I will add backlink?

    Regards, Timur I.

  2. 2009.01.28 14:17

    Of course you can.

  3. 2009.02.05 21:02

    Your site displays incorrectly in Opera, but content excellent! Thanks for your wise words =)

  4. 2009.02.06 09:17

    Thanks for your comment, I think Firefox is good with our site.I use it personally.

  5. 2009.02.10 03:37

    Hi there,
    Nice blog, I just came across it and I’m already a subscriber
    I hope it’s not too brash but I have just begun documenting
    my own weight loss(I lost 30 pounds in a month, so not bad
    , and I was curious if you could post
    the weight loss system I used for your blog readers.
    My latest blog post is
    rapid weight loss diet
    If you want to do a link trade
    that would be great because I want to share my weight loss success
    with everyone. If I can lose weight then
    anyone can. Whatever you do, don’t give up and you WILL
    meet all your weight loss goals!
    Thanks for reading,
    Joan

  6. 2009.03.03 10:21

    :twisted:fe

  7. 2009.04.15 10:34

    If you want to see a reader’s feedback :) , I rate this post for 4/5. Decent info, but I just have to go to that damn yahoo to find the missed bits. Thank you, anyway!

  8. غير معروف
    2010.01.29 21:28

    :arrow: :arrow: :arrow: :arrow: 8) 8) 8) :cry: :evil: :-D :idea: :lol: :mrgreen: :oops: :( :-| :twisted: :) :wink: :!:

  9. غير معروف
    2010.01.29 21:31

    I’m doing a paper about the rule of nines for discribing burns and how the rule of nines works and explain the difference between adults, children, and infants and I just don’t get it

    :-|

Leave a Reply