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 'Vortex Flow' 
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Flow
Blood volume per time measured in: cm3/s.
The sonographic detection of blood flow in vascular ultrasound is limited by factors such as tissue motion (clutter), attenuation properties of the intervening tissue, and slow or low-volume flow.

Different flow types in human body:
Behaves like stationary tissue = stagnant flow.
Flow with consistent velocities across a vessel = laminar flow.
Laminar flow passes through a stricture or stenosis (in the center fast flow, near the walls the flow spirals) = vortex flow.
Flow with equal velocity = plug flow.
Flow at different velocities that fluctuates = turbulent flow.


See also Antegrade, Bi-directional Flow, Velocity, Poiseulles Law, and Venous Ultrasound.
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 [last update: 2023-11-06 01:42:00]