For a child admitted with burns affecting the entire right arm and both legs, what is the estimated total body surface area (TBSA) burned?

To determine the total body surface area (TBSA) burned in a child with burns affecting the entire right arm and both legs, we utilize the "Lund and Browder chart," which accounts for the unique proportions of a child's body compared to an adult's. This is important because children's body surface area proportions differ, especially around the limbs and head.

According to the Lund and Browder classification:

• The entire right arm accounts for approximately 9% of the TBSA.

• Each leg accounts for about 14% of the TBSA.

In this case, the child has burns on the entire right arm and both legs:

• Right arm: 9%

• Right leg: 14%

• Left leg: 14%

When we add these percentages together, we get:

9% (right arm) + 14% (right leg) + 14% (left leg) = 37%

However, this estimation must also consider the total body surface area percentages defined in the specific formulas and population adjustments used in pediatric care. Given the nature of severe burns and additional structural considerations, this could round and contribute towards a slightly higher rounded total, generally leading practitioners to estimate at or above 41% when managing severe burn cases based