Duplex Imaging of the Upper Extremity Venous (Lecture 3) Flashcards
What is the definition of an acute thrombus?
Newly formed clotted blood within a vein, generally less than 14 days old
What causes most thrombi in the lower extremity?
Stasis
Are the superficial veins are affected greater in legs or arms?
Arms
Name the veins of the deep system in the arm.
- ulnar
- radial
- brachial
- axillary
- subclavian
- brachiocephalic
- internal jugular vein
Name the veins of the superficial system in the arm.
- cephalic
- basilic
- median antebrachial
- axillary
- subclavian
The pathogenesis of the upper extremity thrombus can be found in Virchow’s triad - what are the 3 symptoms?
Venous stasis
Hypercoaugability
Vessel wall injury
What is Paget-Schroetter syndrome?
When a Primary UEV thrombosis occurs with a patient that has no history of a puncture
What is the most commonly encountered type of thrombosis?
Secondary UEV thrombosis
How is the most common type of thrombosis acquired?
Associated with the use of central venous catheters or patient malignancy
Facial swelling, dilated chest wall venous collaterals, can be suggest of which type of thrombosis?
SVC thrombosis
What type of system is the brachial vein?
Bifid system
With a complete thrombus, how will your spectral doppler look?
Non existant
