In addition, in cases of subclavian steal from the vertebral artery, there is a graded system showing a progressive change in the ipsilateral vertebral artery waveform. Grade I lesions demonstrate ...

Two cases of subclavian-steal syndrome due to occlusion of the innominate or subclavian arteries are presented. The lesions were associated with partial occlusion, but without the steal phenomenon ...

This paper reviews arterial pressure waveforms and contrasts the differences ... to a position just below the left subclavian artery (Fig. 1). The IAB is attached to a console that rapidly ...