Total body surface area ( TBSA ) is the assessment of injury or skin diseases, such as burns or psoriasis.
In adults, Wallace's rule of nine can be used to determine the percentage of the total area burned for each major part of the body.
In cases of burns involving partial body areas, or when dermatologists are evaluating the Psoriasis Area and Severity Index (PASI) scores, the patient's palms may serve a reference point approximately equivalent to 1% of the body surface area.
For children and infants, Lund and Browder graphs are used to assess the burning surface area of ​​the body. Different percentages are used because the ratio of head and neck joint surface area to the surface area of ​​the limb is usually greater in children than adults.
Typical values ​​for common human groups follow. (Because rounding, the value may not add 100%.)
Video Total body surface area
References
Source of the article : Wikipedia
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