The surface area of a patient’s palm can also be used to estimate the extent of small or patchy burns. Classically, the palm has been considered to represent 1 percent of the TBSA.

For example, the front side of one arm or your head is 4.5% of your total body surface area. The front and back of your torso are 18% each. These percentages are accurate for people over age 14.

If a person has burns on 10 percent of their body surface area or greater, a specialized burn ... The rule of nines serves as a quick method of assessment for a medical provider to estimate the ...

This can be used to calculate the body surface area burned. However, all of these methods are reported to provide inaccurate estimates of TBSA (Giretzlehner et al. 2013; Parvizi et al. 2014). One of ...