E. coli septicemia

*E. coli* septicemia is a life-threatening systemic bloodstream infection caused by the dissemination and multiplication of the gram-negative bacterium *Escherichia coli* Most commonly originating from primary infections of the urinary tract, gastrointestinal tract, or biliary system, it frequently affects neonates, older adults, hospitalized individuals, and immunocompromised patients Without rapid intervention, this clinical state can rapidly progress to severe sepsis, septic shock, disseminat...

*E. coli* septicemia is a life-threatening systemic bloodstream infection caused by the dissemination and multiplication of the gram-negative bacterium *Escherichia coli* Most commonly originating from primary infections of the urinary tract, gastrointestinal tract, or biliary system, it frequently affects neonates, older adults, hospitalized individuals, and immunocompromised patients

Most commonly originating from primary infections of the urinary tract, gastrointestinal tract, or biliary system, it frequently affects neonates, older adults, hospitalized individuals, and immunocompromised patients

Pathophysiologically, bacterial proliferation in the circulatory system triggers an intense host immune cascade driven by endotoxin release, which leads to widespread endothelial damage, systemic inflammatory response, fever or hypothermia, tachycardia, and impaired tissue perfusion Without rapid intervention, this clinical state can rapidly progress to severe sepsis, septic shock, disseminated intravascular coagulation, and multiple-organ failure

Pathophysiologically, bacterial proliferation in the circulatory system triggers an intense host immune cascade driven by endotoxin release, which leads to widespread endothelial damage, systemic inflammatory response, fever or hypothermia, tachycardia, and impaired tissue perfusion