What is indicated in regard to pressure based on the expanded vein shape indicated by the bottom arrow? 

Based on CDI, what characteristic is suspected in this image?

During inspiration, the descent of the diaphragm causes ______.

Which best characterizes the vessels within the duplex image?

All are common origins of development of thrombus except _______.

Secondary venous thrombosis due to all these causes except _____.

What is a normal venous refill/recovery time of a venous PPG exam?

What is a normal venous refill/recovery time of a venous PPG exam?

While performing venous mapping using a transverse view, the great saphenous vein appears elliptical. What is the most likely cause for this appearance?

All are common origins of development of thrombus except _______.