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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 3 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 3

From: An overview of the findings of dynamic upper limbs’ arterial and venous duplex in cases of vascular thoracic outlet syndrome

Fig. 3

a B-mode image of the axillary-subclavian artery junction showing tapered significant narrowing of the axillary artery on arm abduction (white arrows) at the outlet of the costo-clavicular space (yellow arrow). b Color image for the same arterial segment in (a) showing marked color aliasing with a visible bruit due to high velocity jet of the arterial stenosis (white arrows). c Spectral and color Doppler image for the downstream brachial artery showing significant dampening of the flow on arm abduction. d Spectral and color Doppler image showing rebound hyperemia (color aliasing) with increased velocity on release of the impingement of the artery by return to the neutral arm position

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