SIRS Criteria Calculator

Systemic Inflammatory Response Syndrome assessment for sepsis screening.

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Important Health Disclaimer

This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.

For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.

Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.

Not a substitute for professional medical advice

SIRS Criteria

≥2 criteria required for SIRS diagnosis:

SIRS Criteria Met

0/4

SIRS Not Met

SIRS Present
No
Infection
None

Clinical Recommendation

Patient does not meet SIRS criteria. Continue monitoring for clinical changes.

Traditional Definitions

  • SIRS: ≥2 criteria met
  • Sepsis: SIRS + suspected infection
  • Severe Sepsis: Sepsis + organ dysfunction
  • Septic Shock: Sepsis + refractory hypotension

Important Note

Sepsis-3 definitions (2016) now use SOFA/qSOFA instead of SIRS. However, SIRS remains useful for identifying inflammatory states and is still widely used clinically.

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