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CVT Surgical Center - Vascular Lab

Cerebral Vascular Evaluation

This exam consists of a battery of integrated tests which are analyzed as a group to provide a diagnostic assessment of the extracranial cerebral circulation.


An ultrasound probe is positioned along the neck to image the carotid arteries. A gated Doppler is directed within the lumen to record blood flow through the vessel. Multiple hard copy films are recorded of images and associated Doppler wave forms, which are subjected to diagnosis. There is no pain or discomfort associated with this exam.


A small probe is placed over the superficial facial arteries and analyzed to assess direction of flow. High grade carotid artery stenosis is associated with abnormal flow direction.


A duplex exam is performed of the vertebral arteries to assess direction of flow, possible stenosis or occlusion, to evaluate vertebral-basilar symptomatology. When the Duplex exam is combined with bilateral arm blood pressures, patients with subclavian-steal syndrome can be identified.


  • Amaurosis fugax.
  • Transient ischemic attack.
  • Carotid bruit evaluation.
  • Carotid endarterectomy - preop and postop follow-up.
  • Carotid artery disease - follow-up medical therapy.
  • Follow-up evaluation in recovered CVA patients


  • Transient blindness or visual difficulty.
  • Temporary weakness of arms and legs
  • Impaired Speech
  • Syncopal symptoms
  • Carotid bruit
  • Non-specific CNS symptoms

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CVT Surgical Center
7777 Hennessy Ave. Suite 1008 · Baton Rouge, Louisiana 70808
800-375-0416 - Toll Free | 225-766-0416 - Front Desk
Heart Surgery Louisiana, Vascular Surgery Louisiana, Coronary Artery Bypass Louisiana
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