Bacteremia The presence of bacteria in the blood
Sepsis The presence of bacteremia with evidence of systemic
inflammatory response and infection
Systemic Inflammatory Response 2 or more of the following:
Hyperthermia or hypothermia (>38Cor 12,000 per mL or 10% bands)
Severe Sepsis The presence of sepsis with organ dysfunction, poor
perfusion, or hypotension
Septic Shock Sepsis with continued hypotension and perfusion
abnormalities even after adequate fluid
resuscitation
MODS The failure of 2 or more organ systems