Case Reports in Cardiology / 2011 / Article / Fig 3

Case Report

Bilateral Subclavian Steal Syndrome

Figure 3

Color and pulsed-wave Doppler showing flow in left carotid, vertebral, and subclavian arteries: (a) showing proximal left common carotid artery. There is a relatively normal-appearing Doppler waveform, (b) note mild elevation in peak systolic velocity with plaque at left internal carotid artery origin (arrow). The stenosis is categorized as 40–59% in our laboratory. (c) Showing complete reversal of blood flow in left vertebral artery consistent with complete subclavian steal. (d) Low velocity blood flow with abnormal-appearing Doppler in left subclavian artery consistent with more severe subclavian stenosis proximal to this site.
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(a)
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(b)
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(c)
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(d)

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