Simplified PESI (sPESI)
Low risk (sPESI negative) if none of the six features is present; any feature present → not low risk in common teaching rules.
Calculator
How it works
sPESI simplifies the original PESI into six yes/no variables for pulmonary embolism risk teaching.
Limits
Does not replace imaging, biomarkers, or hemodynamic assessment.
Educational tool only—not for diagnosis or treatment decisions.