Doppler: An ultrasound can use doppler technology to see if there is flow toward, away or no flow at all. When there is a clot, there is no blood flow.
Answered 4/1/2016
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US and Doppler: Doppler ultrasound is used to determine if there is retrograde flow in valved vein segments, i.e. between the junction of a superficial vein and a deep vein,, 2) between valved segments within a deep vein (deep vein reflux), 3) between valved segments of superficial veins (segmental venous reflux). B mode US compression techniques look for dvt and distal augmentation to confirm flow upstream
Answered 4/1/2016
1.4k views
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