Distributive Shock - Surgery Superspeciality MCQS

Q) What is not seen in Distributive Shock?

a) High central venous pressure

b) High Cardiac output

c) High Base deficit

d) High Mixed Venous Saturation

Ans a

In Distributive shock Systemic vascular resistance and venous pressure are low ( because of vasodilation)

All other parameters are high

Distributive Shock Symptoms

Vasodilation

Warm peripheries

Hypotension

Causes of Distributive Shock are

Anaphylaxis
High spinal cord injury
Septic shock
Toxic Shock Syndrome
The distributive shock from adrenal insufficiency occurs due to decreased alpha-1 receptor expression on arterioles secondary to cortisol deficiency, which results in vasodilation. This is seen in patients on chronic steroids that are stopped suddenly.