BSA (kroppsoverflate) er det totale ytre overflatearealet av kroppen. Viktig for legemiddeldoser.
Mosteller Formula
BSA (m²) = √[(height cm × weight kg) ÷ 3600]
Example
70 kg, 170 cm:
BSA = √[(170 × 70) ÷ 3600] = √3.306 = 1.82 m²
Medical Uses
- Chemotherapy dosing
- Basal metabolic rate
- Burns assessment
- Pediatric dosing
Normal Values
- Adult men: ~1.9 m²
- Adult women: ~1.6 m²
- Newborns: ~0.25 m²