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What vessel should disease be suspected when there is a significant pressure drop between the high-thigh and low-thigh cuff?

This image was taken on a post procedure follow up scan after a known right iliac and common femoral occlusion. Based on the sonographic appearance, what was used to restore arterial flow for this patient?  

Match these tests with appropriate definition:

The medical term for skin that lacks color is _________.

What is the key difference in the Doppler quality of low resistant vs. high resistant blood flow?

What symptoms are not associated with blood flow alterations to the posterior circulation?

Exercise induces peripheral vasodilatation in the microcirculation. What other effect does it have?

What does a proximal CFA  acceleration time > 0.14 sec indicate? 

The arterial pulsations often felt in front of the ear and just above the zygomatic arch are generally assumed to originate from which artery?

Reactive hyperemia is a method that stimulates the distal artery’s response to exercise by temporarily decreasing blood supply to the lower extremities, thereby simulating