Rule of Nines: Estimating Burn Percentage

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Questions and Answers

What is the primary purpose of the Rule of 9s in burn assessment?

To calculate the fluid resuscitation rate
To determine the depth of the burn
To assess the patient's pain level
To estimate the percentage of total body surface area (TBSA) affected by the burn (correct)

According to the Rule of 9s, what percentage of TBSA does the entire right arm represent?

36%
18%
4.5%
9% (correct)

If both legs of a child are burned, what is the estimated TBSA affected according to the Rule of 9s?

18%
9%
27% (correct)
36%

In the context of burn assessment, what does TBSA stand for?

<p>Total Body Surface Area (A)</p> Signup and view all the answers

Using the Rule of 9s in a child, if the entire back is burned, approximately what percentage of TBSA is affected?

<p>18% (A)</p> Signup and view all the answers

Flashcards

Rule of 9s

Method to quickly estimate the total body surface area (TBSA) affected by burns in adults and children.

Each Leg % (Child)

In the Rule of 9s for children, each leg represents approximately 13.5% of TBSA.

Entire Arm %

In the Rule of 9s, an entire arm represents approximately 9% of TBSA.

Both Legs Burned (%)

Both legs burned represent approximately 27% of the body surface area in an adult.

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Both Legs + One Arm (%)

Both legs and the right arm burned equal approximately 36% of body surface area.

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Study Notes

Burns are assessed using the Rule of 9s which assigns percentages to different body areas to estimate the total body surface area (TBSA) affected by the burn.
To calculate the estimated burn percentage, add the percentages for each burned body part
For example, if both legs and the right arm are burned, calculate as follows:
Each leg is 18%. Both legs burned: 18% + 18% = 36%.
The entire right arm is 9%.
Total estimated burn percentage: 36% (legs) + 9% (right arm) = 45%.

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Description

Learn how to use the Rule of Nines to quickly estimate the percentage of total body surface area (TBSA) affected by burns. This method assigns percentages to different body regions, allowing for a rapid assessment of burn extent. Practice calculations with examples.