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Duplex ultrasound (DUS) is an integral component of diagnostic testing for the evaluation and management of arterial disease. This technology, which combines the acquisition of blood flow (pulsed Doppler spectral analysis) and anatomic (B-mode and color Doppler imaging) information, was…
The prevalence of atherosclerotic stenotic disease involving the proximal brachiocephalic arteries is significantly less than that in the extracranial carotid arteries. Additionally, only 10% of patients with hemodynamically significant proximal subclavian artery stenoses develop symptoms. This probably reflects the robust…