Table 1.

Definitions of Systemic Inflammatory Response Syndrome (SIRS) criteria, quick Sequential [Sepsis-related] Organ Failure Assessment (qSOFA) criteria, and Maternal Early Warning (MEW) criteria

Term	Definition
SIRSa	Two or more of the following:
	Temperature > 38°C or < 36°C
	Heart rate > 90 beats per minute
	Respiratory rate > 20 breaths per minute or PaCO2 < 32 mm Hg
	White blood cell count < 4 × 109/L or > 12 × 109/L
qSOFAb	Two or more of the following:
	Respiratory rate ≥ 22 breaths per minute
	Altered mentation
	Systolic blood pressure ≤ 100 mm Hg
MEWc	One or more of the following:
	Systolic blood pressure < 90 or > 160 mm Hg
	Diastolic blood pressure > 100 mm Hg
	Heart rate < 50 or > 120 beats per minute
	Respiratory rate < 10 or > 30 per minute
	Oxygen saturation on room air, at sea level < 95%
	Oliguria, <35 mL/hour for ≥ 2 hours
	Maternal agitation, confusion, or unresponsiveness; Patient with preeclampsia reporting a non-remitting headache or shortness of breath

^aBone RC, Balk RA, Cerra FB, et al: Definitions for sepsis and organ failure and guidelines for the use of innovative therapies in sepsis. The ACCP/SCCM Consensus Conference Committee. American College of Chest Physicians/Society of Critical Care Medicine. Chest 1992 Jun; 101(6):1644–1655.

^bSinger M, Deutschman CS, Seymour CW, et al: The Third International Consensus Definitions for Sepsis and Septic Shock (Sepsis-3). JAMA 2016 Feb 23; 315(8):801–810.

^cMhyre JM, D’Oria R, Hameed AB, et al: The maternal early warning criteria: a proposal from the national partnership for maternal safety. Obstet Gynecol 2014 Oct; 124(4):782–786.