Diagnosis:
Clinical features plus imaging
Clinical features:
Difference in BP between arms
Findings on Investigations:
Vertebral ultrasound:
- Reversal of flow in vertebral artery
Catheter angiography:
- Subclavian stenosis or occlusion
- With reversal of flow in vertebral artery
Treatment:
Treat only if symptomatic
Angioplasty or stenting of subclavian artery
Occlusion of vertebral artery
Carotid subclavian bypass