Clinical use
Use this calculator for 30-day mortality risk stratification for acute pulmonary embolism in thepulmonary workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.
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Pulmonary
Pulmonary Embolism Severity Index (PESI) Calculator
30-day mortality risk stratification for acute pulmonary embolism
Calculate PESI
Interpretation
Class I-II: low risk — consider outpatient management. Class III: intermediate. Class IV-V: high risk — admission, consider thrombolysis if massive PE.
Required inputs
- Age
- Sex
- Cancer
- Heart Failure
- Chronic Pulmonary Disease
- Heart Rate
- Systolic BP
- Respiratory Rate
- Temperature
- Altered Mental Status
- Oxygen Saturation
Evidence and limitations
This page cites 2 published references. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.
References
- Aujesky D et al. Am J Respir Crit Care Med 2005;172:1041-1046
- ESC/ERS Guidelines on PE 2019
Frequently asked questions
What is the Pulmonary Embolism Severity Index (PESI)?
Pulmonary Embolism Severity Index (PESI) is a clinical calculator used for 30-day mortality risk stratification for acute pulmonary embolism.
How do I interpret the Pulmonary Embolism Severity Index (PESI)?
Class I-II: low risk — consider outpatient management. Class III: intermediate. Class IV-V: high risk — admission, consider thrombolysis if massive PE.
What inputs are required for the Pulmonary Embolism Severity Index (PESI)?
Required inputs include Age, Sex, Cancer, Heart Failure, Chronic Pulmonary Disease, Heart Rate, Systolic BP, Respiratory Rate, Temperature, Altered Mental Status, Oxygen Saturation.
What is the evidence behind the Pulmonary Embolism Severity Index (PESI)?
The Pulmonary Embolism Severity Index (PESI) page cites Aujesky D et al. Am J Respir Crit Care Med 2005;172:1041-1046; ESC/ERS Guidelines on PE 2019.
Next steps
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