The immunological response that causes<unk>  is a systemic inflammatory response causing widespread activation of inflammation and coagulation pathways. This may progress to dysfunction of the circulatory system and, even under optimal treatment, may result in the multiple organ dysfunction syndrome and eventually death. A subclass of distributive shock, with shock referring specifically to decreased tissue perfusion resulting in end-organ dysfunction. Cytokines TNFα, IL-1β, interferon γ, IL-6 released in a large scale inflammatory response results in massive vasodilation, increased capillary permeability, decreased systemic vascular resistance, and hypotension.  Hypotension reduces tissue perfusion pressure and thus tissue hypoxia ensues.  Finally, in an attempt to offset decreased blood pressure, ventricular dilatation and myocardial dysfunction will occur.
Sepsis pathophysiology
Toxic shock syndrome pathophysiology
Endocarditis pathophysiology
Sepsis risk factors
Toxic shock syndrome diagnostic criteria
Hyperthermia pathophysiology
Sepsis laboratory findings
Anaphylaxis pathophysiology