Systemic Inflammatory Response Syndrome (SIRS)

SIRS criteria met if 2 or more of following signs are present:

• Temperature > 38°C (100.4°F) or < 36°C (96.8°F).
  
• Pulse > 90 beats/min.
• Respiratory Rate (RR) > 20 breaths/min (or partial pressure of carbon dioxide in arterial blood [PaCO2] <>
• White blood cell count (WBC) > 12,000/mm3 or <> 10% immature bands).

Source: Consensus Conference of the American College of Chest Physicians and Society of Critical Care Medicine
Tags: Fever - Leukocytosis - Leukopaenia - SIRS - Tachypnoea
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