Which type of shock is typically associated with sepsis or anaphylaxis?

Distributive shock is characterized by excessive vasodilation due to a loss of sympathetic tone, which leads to a significant drop in systemic vascular resistance and impaired perfusion despite normal or increased cardiac output. This type of shock is commonly associated with conditions such as sepsis and anaphylaxis, where the body's response to infection or allergens results in the release of inflammatory mediators that cause widespread vasodilation and increased vascular permeability.

In sepsis, the immune response to infection causes systemic inflammation and can lead to septic shock, where the combined effects of vasodilation and fluid loss from leaky blood vessels lower blood pressure and impair blood flow to vital organs. Similarly, in anaphylactic shock, the rapid release of histamine and other mediators leads to severe vasodilation and potential airway obstruction, exacerbating the shock state.

Understanding that distributive shock is specifically linked to these conditions highlights the importance of rapid identification and treatment to restore vascular tone and improve perfusion, which are critical steps in managing sepsis and anaphylaxis effectively.