Table 2.

SCCM/ESISM/ACCP/ATS/SIS sepsis definitions (2001).

SCCM/ESICM/ACCP/ATS/SIS sepsis definitions
Sepsis—The presence of infection, documented or strongly suspected, with a systemic inflammatory response.
Severe sepsis—Sepsis complicated by organ dysfunction.
Septic shock—Severe sepsis complicated by acute circulatory failure characterized by persistent arterial hypotension, despite adequate volume resuscitation, and unexplained by other causes.
Multiple organ dysfunction syndrome—Presence of altered organ function in an acutely ill patient such that homeostasis cannot be maintained without intervention.

Adapted from Levy et al. (34).