SIRS Criteria Calculator Sponsored Advertising placement SIRS Criteria Clinical Decision Tool Counts systemic inflammatory response syndrome criteria from temperature, pulse, respiration and white cell findings. Temperature >38°C or <36°C No 0 Yes +1 Heart rate >90 beats/min No 0 Yes +1 Respiratory rate >20/min or PaCO₂ <32 mmHg No 0 Yes +1 WBC >12 ×10⁹/L, <4 ×10⁹/L, or >10% immature forms No 0 Yes +1 Calculate SIRS Criteria Clear Calculator ☆ Log in to save Save this calculator to your MDPDA account. + Add to Toolkit Log in to save incomplete calculator progress and return later. Log in to save progress Clinical Decision Support Only MediCalc calculators are intended to support qualified healthcare professionals and must not replace professional clinical judgement. Do not enter patient-identifiable information into Saved Progress. Read our Clinical Disclaimer Sponsored Advertising placement