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Collaborative Hypertext of Radiology

Cardiovascular system



carotid artery bruit

Differential diagnosis:
  • Atherosclerotic plaque or stenosis in common carotid artery or major vessels.
  • Normal vessel.

Asymptomatic bruits are a risk factor for stroke, and 75% of strokes occur in the carotid circulation. The majority of patients with bruits will have stenosis of 50% or more. The vast majority (90%) of strokes occur without prior symptoms.

REF: MacNeil BJ, Abrams HL. Brigham and Women's Hospital Handbook of Diagnostic Imaging. Chapter 27.

Charles E. Kahn, Jr., MD  -  2 February 1995
Last updated:  1 October 2013


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Copyright © 2013, Charles E. Kahn, Jr.