What are risk factors for developing a DVT that may be assessed during a vascular ultrasound?

The identification of risk factors for developing deep vein thrombosis (DVT) is critical when performing a vascular ultrasound, particularly as it helps inform clinical decisions and patient management. Prolonged immobility, recent surgery, and a history of clotting disorders are well-established risk factors associated with an increased incidence of DVT.

Prolonged immobility, such as long periods of sitting or bed rest, can lead to venous stasis, which is a primary contributor to thrombus formation. After recent surgery, especially orthopedic or abdominal procedures, patients are at increased risk due to both immobility post-operation and the body’s inflammatory response, which can promote clotting. History of clotting disorders indicates a pre-existing tendency for abnormal clot formation, further elevating the risk when combined with other factors.

The other options do not represent recognized risk factors for DVT in the same clear and direct manner. Active exercise and hydration are typically protective against DVT, and factors like dietary calcium intake and stress have not been linked to an increased risk of developing DVT. Regular medication use and frequent travel may have some relevance in specific contexts but do not encompass the central and well-researched risk factors associated with DVT as comprehensively as the chosen