Which treatment option dissolves blood clots by activating enzymes in the body to help break down cross-links between fibrin molecules.

The most common cause of upper extremity venous thrombus is:

Which of the following is NOT a predisposing factor for the development of venous thrombosis?

Which of the following are TRUE regarding chronic venous ulceration? (Select all that apply)

Which of the following are signs of chronic venous insufficiency?

Superficial venous system insufficiency is diagnosed when reflux time is greater than 

Of the following vessels, where would you suspect an obstruction to be located if continuous flow is documented at the LT CFV and phasic flow is documented at the RT CFV? 

Where would you suspect an obstruction to be located if continuous flow is documented bilaterally within the central veins? 

Brachiocephalic vein is formed by the confluence of which vessels?  

Which of the following would NOT be an appropriate indication for a Lower Extremity Venous Duplex exam?