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DVT398-BL2
USIDMS Lower Extremity Venous
Question | Answer |
---|---|
Why are deep veins more likely to have a thrombi rather than superficial veins? | Due to the contraction of the calf muscle |
What type of transducer is best used to perform a lower extremity venous exam? | linear array (5-10MHz) |
What is the termination of the GSV into the CFV called? | saphenofemoral junction (SFJ) |
Is the GSV a deep or superficial vein? | superficial |
What is the main drainage for blood leaving the calf? | Popliteal veins |
What is the prime source of thrombi in the leg? | Soleal sinus veins |
Is the gastrocnemius a deep or superficial vein? | deep |
What is the appearance of acute thrombus? | lightly echogenic, poorly attached, spongy texture, dilated vein |
What is May-Turner syndrome? | when the left common iliac vein is compressed by the right common iliac artery |
What are the three mechanisms for the formation of venous thrombosis? | 1. Venous stasis 2. Vessel wall injury 3. Hypercoagulable state (Virchow's triad) |