In a 6-year-old child with burns involving the whole of head and trunk, estimated body surface area of burns is:
**Core Concept**
The estimation of body surface area (BSA) affected by burns is crucial in determining the severity and management of the injury. The Lund-Browder chart is a widely used tool for estimating BSA in children, as their body proportions differ significantly from adults.
**Why the Correct Answer is Right**
To estimate the BSA in a child, the Lund-Browder chart takes into account the varying proportions of different body regions as the child grows. In a 6-year-old child, the head and trunk regions are proportionally larger compared to adults. The chart provides a more accurate estimate of BSA by considering these differences. For a 6-year-old child, the estimated BSA for the head and trunk regions would be approximately 25-30% of the total BSA.
**Why Each Wrong Option is Incorrect**
**Option A:** This option does not provide any specific information regarding the Lund-Browder chart or the age-related proportions of the child's body.
**Option B:** This option is incorrect as it does not account for the child's age and the varying proportions of the body regions.
**Option C:** This option is incorrect as it is not specific to the Lund-Browder chart or the age-related proportions of the child's body.
**Clinical Pearl / High-Yield Fact**
The Lund-Browder chart is a valuable tool for estimating BSA in children, as it takes into account the varying proportions of different body regions as the child grows.
**Correct Answer: C. 25-30% of the total BSA.**