Epistemis

Opioid Rotation Calculator and PaP Scale

Calculates the theoretical equianalgesic dose in opioid rotation and applies the PaP palliative care prognostic scale.

Required inputs

The inputs this calculator asks for inside the app.
VariableExample value
Current Opioid
Current Total Daily Dose (mg/day)60
Target Opioid
% Reduction due to Cross Tolerance
Karnofsky index (KPS)
Do you have Anorexia?
Do you have dyspnea at rest?
Clinical Survival Prediction
Total Leukocytes (WBC) (per mm³)8000
% of Lymphocytes in Hemogram25

Run the calculation in the app

This page explains the score but does not run it. In Epistemis, the calculator validates units, flags values outside physiological ranges, and provides the interpretation that a number alone cannot convey.

Epistemis is educational review material. It is not a medical device, does not diagnose or prescribe treatment, and does not replace formal medical training, current clinical guidelines, or professional clinical judgment.

Specialty
Oncology
Area
Specialties
Variables
10
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