Types of Shock

Question 1

What is the cause and mechanism of Hypovolemic Shock?

Answer 1

Cause: Volume loss
Mechanism: Exogenous blood, plasma, fluid, or electrolyte loss

Question 2

What is the cause and mechanism of Cardiogenic Shock?

Answer 2

Cause: Pump failure
Mechanism: Myocardial infarction, cardiac arrhythmias, heart failure

Question 3

What is the cause and mechanism of Distributive Shock?

Answer 3

Cause: Increased venous capacitance or arteriovenous shunting
Mechanism: Septic shock, spinal shock, autonomic blockage, drug overdose

Question 4

What is the cause and mechanism of Obstructive Shock?

Answer 4

Cause: Extra-cardiac obstruction of blood flow
Mechanism: Vena caval obstruction, cardiac tamponade, pulmonary embolism, aortic compression or dissection