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Which of the following are important collateral pathways? (Select all that apply)

Which statement is true regarding the difference between CW Analog Doppler compared to PW Spectral Doppler analysis?

EXTRA credit: Perigraft fluid is identified on ultrasound when infection is present around the graft. 

Using the following values, what is the ankle-brachial index of the left lower extremity and corresponding severity of disease?   RT Brachial: 155                              LT Brachial: 150 RT PTA: 168                                     LT PTA: 98 RT DPA: 158                                    LT DPA: 100

What is the significance of a monophasic, continuous waveform with a slow upstroke?

The most severe form of PAD is known as

Which bypass graft would most likely be seen in a patient with bilateral common iliac artery obstruction?

Valves must be lysed for the following:

Name the following artery in the image below taken at the proximal calf:

A patient complains of digital pallor induced by cold exposure or emotional stimuli. These symptoms are characteristic of: