In the pediatric Rule of Nines, what percentage is allocated to each anterior arm?

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Multiple Choice

In the pediatric Rule of Nines, what percentage is allocated to each anterior arm?

Explanation:
In the pediatric Rule of Nines, the body is divided into regions to estimate burn size quickly. Each arm contributes a fixed amount of TBSA, and the front (anterior) portion is half of that arm’s total. The entire arm accounts for about 9% of TBSA, so the anterior arm represents half of that, which is 4.5%. This reflects that the arm’s front and back are treated as equal halves for quick calculation, even though children have different proportions elsewhere (like a relatively larger head). Therefore, each anterior arm is 4.5% of the total body surface area.

In the pediatric Rule of Nines, the body is divided into regions to estimate burn size quickly. Each arm contributes a fixed amount of TBSA, and the front (anterior) portion is half of that arm’s total. The entire arm accounts for about 9% of TBSA, so the anterior arm represents half of that, which is 4.5%. This reflects that the arm’s front and back are treated as equal halves for quick calculation, even though children have different proportions elsewhere (like a relatively larger head). Therefore, each anterior arm is 4.5% of the total body surface area.

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