Bilateral common carotid artery common trunk with aberrant right subclavian artery combined with right subclavian steal syndrome: A case report

Figure 2 Ultrasound imaging examinations. A: Ultrasound showed that the blood flow velocity at the right subclavian artery stenosis was up to 289 cm/s; B: Reduced at the distal segment presenting a single-phase wave change; C: Compared with the healthy left side, the flow velocity of the right axillary artery was significantly reduced and showed unidirectional changes.