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Insights into Imaging
Fig. 16 | Insights into Imaging

Fig. 16

From: Contrast-enhanced ultrasound performed under urgent conditions. Indications, review of the technique, clinical examples and limitations

Fig. 16

A 27-year-old man, an intravenous drug user, presents with left arm pain. Colour Doppler US shows an obstructed radial artery both in the upper (a) and in the lower (c) part of the antebrachium. The accompanying veins are patent at both levels. CEUS images a patent radial artery in the upper (red circle in b) but an obstruction (red circle in d) in the lower part of the antebrachium. The veins (blue circles in b and d) are patent. In this case CEUS overcame colour Doppler limitations and detected the level of occlusion

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