Fig. 4From: Ultrasonography is an effective tool for the evaluation of traumatic vertebral artery injuries distal to fourth cervical vertebra in the emergency roomA Computed tomography shows the dislocation fracture at C5/C6. B CTA shows the stenosis of the left VA at C5 level. The diameter of VA on the left side was 45.9% compared with the one on the right side. C Flow of the VA in the left side not seen on US. Part of VA that originally passed through is indicated by dotted linesBack to article page