PAEA Surgery End Of Rotation (EOR) Practice Exam

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What is Virchow's Triad that indicates risk factors for thrombosis?

Stasis, abnormal endothelium, hypercoagulability
Aneurysm, ischemia, necrosis
Hemorrhage, infection, thrombosis
Inflammation, infection, ischemia

The correct answer is: Stasis, abnormal endothelium, hypercoagulability

Virchow's Triad, which consists of stasis, abnormal endothelium, and hypercoagulability, outlines the three primary risk factors contributing to the formation of thrombosis. Stasis refers to stagnant blood flow, which can occur due to prolonged immobility, venous obstruction, or certain medical conditions. When blood flow is slow or stagnant, it is more prone to clotting. Abnormal endothelium involves any changes or damage to the blood vessel lining that can predispose an individual to thrombus formation. This can occur due to various factors, including inflammation, trauma, or underlying diseases that affect vascular health. Hypercoagulability signifies a state in which the blood has an increased tendency to clot. This can be due to genetic predispositions, hormonal changes, certain medications, or conditions such as cancer. Together, these three components highlight the multifactorial nature of thrombus development, emphasizing the importance of considering these factors in clinical settings to identify patients at risk for thromboembolic events. The other choices do not represent the conditions relevant to thrombus formation as succinctly as Virchow's Triad does.