In sonography, what condition is associated with turbulent blood flow?

Turbulent blood flow is commonly associated with stenosis, which refers to a narrowing of blood vessels. When a vessel is narrowed, the velocity of the blood flow increases as it passes through the constricted area. This increase in velocity can lead to disturbances in the laminar flow pattern, causing turbulence.

Turbulence is characterized by chaotic blood flow, which can result in variations in velocity and pressure within the vessel. In the context of stenosis, the turbulent flow can be detected and analyzed through Doppler ultrasound, helping to quantify the severity of the narrowing and its hemodynamic effects.

The other conditions, while they can affect blood flow, do not primarily result in turbulent flow. An aneurysm involves dilation and can sometimes lead to turbulent flow, but it is not its defining characteristic. Hemostasis refers to the process of stopping bleeding and is more about clotting mechanisms than flow characteristics. Thrombosis, which is the formation of a blood clot within a vessel, can lead to turbulent flow if a clot partially obstructs flow, but it is not directly associated with the condition of stenosis. Thus, stenosis is the specific condition that is characteristically associated with turbulent blood flow.