Subclavian Steal Syndrome

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

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