Jinsi ya kukokotoa Body Surface Area
Body Surface Area ni nini?
Body Surface Area (BSA) is the measured or calculated surface area of a human body. It is used in clinical medicine to calculate drug doses (particularly chemotherapy), burn area assessment, and metabolic rate estimation. BSA is considered more accurate than body weight alone for drug dosing.
Mwongozo wa Hatua kwa Hatua
- 1Mosteller formula: BSA = √(H × W / 3600) — simple and widely used
- 2DuBois formula: BSA = 0.007184 × H^0.725 × W^0.425 — original 1916 formula
- 3Haycock formula: BSA = 0.024265 × H^0.3964 × W^0.5378 — most accurate for children
- 4H = height in cm, W = weight in kg, result in m²
Mifano Iliyotatuliwa
Ingizo
Adult male: 80 kg, 180 cm
Matokeo
BSA ≈ 2.0 m²
Average adult male BSA is 1.9 m²
Ingizo
Child: 20 kg, 110 cm
Matokeo
BSA ≈ 0.76 m²
BSA scales non-linearly with size
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