A43 y/o male came in with several burned areas in his body including his right arm and right leg. it is required to document the body surface burned areas. what is the calculation of the body surface area burned

To consider the severity of a burned body surface, it is essential to initially know the extent of it, since the management site will depend on it. The Extension Rule of 9 is usually used. This method consists in dividing the surface of the body into areas equivalent to 9 of the total burned area or by multiples of 9. In the case of the exposed patient, he says that he has burned the body with his right arm and right leg; applying the rule of 9, this patient can have

Burn in his body: 9 x 2 = 18.

Right arm: 9.

Right leg: 9.

Total approximate: 36%.