Distributive shock

Definition

Distributive shock is a type of shock that results from an abnormal distribution of blood flow in the smallest blood vessels, leading to inadequate supply of oxygen and nutrients to tissues. It often involves severe systemic vasodilation.

5 Must Know Facts For Your Next Test

1. Common causes include sepsis, anaphylaxis, and neurogenic shock.
2. Distributive shock leads to a significant drop in systemic vascular resistance.
3. Symptoms may include hypotension, warm extremities, and altered mental status.
4. Treatment often involves fluid resuscitation and vasoactive drugs like norepinephrine.
5. Early recognition and intervention are crucial for improving patient outcomes.

Review Questions

• What are the primary causes of distributive shock?
• Which physiological change is most directly associated with distributive shock?
• What are common treatments for managing distributive shock?

Related terms

Sepsis: A life-threatening organ dysfunction caused by a dysregulated response to infection.

Anaphylaxis: A severe, potentially life-threatening allergic reaction that can cause widespread vasodilation.

Neurogenic Shock: A type of distributive shock resulting from the loss of sympathetic nervous system signals to blood vessel walls.