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Dermatology
Estimate total body surface area (TBSA) affected by burns using the Rule of Nines. Enter affected areas to calculate total burn percentage.
Formula
Total TBSA (%) = sum of all affected body region percentages. Maximum 100%.
Inputs
Dermatology
Calculate the Psoriasis Area and Severity Index (PASI) to assess psoriasis severity across four body regions. Scores range from 0 to 72.
Formula
PASI = 0.1 × (Eh + Ih + Sh) × Ah + 0.3 × (Et + It + St) × At + 0.2 × (Eu + Iu + Su) × Au + 0.4 × (El + Il + Sl) × Al
Inputs