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Radiol Clin North Am. 2019 May;57(3):501-518. doi: 10.1016/j.rcl.2019.01.008. Epub 2019 Feb 22.

Carotid Ultrasound.

Author information

1
Department of Radiology and Biomedical Imaging, Yale School of Medicine, 333 Cedar Street, PO Box 208042, New Haven, CT 06520-8042, USA. Electronic address: leslie.scoutt@yale.edu.
2
Department of Radiology and Biomedical Imaging, Yale School of Medicine, 333 Cedar Street, PO Box 208042, New Haven, CT 06520-8042, USA.

Abstract

Doppler ultrasound (US) is the primary noninvasive imaging modality for detecting, grading, and monitoring extracranial internal carotid artery (ICA) stenosis, which is a well-established surrogate marker for stroke risk. In addition, Doppler US is the primary imaging modality for surveillance of patients following carotid intervention with endarterectomy or stent placement. This article reviews the pathophysiology and epidemiology of stroke, technique for performing a carotid US examination, normal findings, and diagnostic US criteria for evaluating carotid plaque, grading stenosis in the native ICA and following intervention, as well as waveform analysis of the carotid arteries.

KEYWORDS:

Carotid plaque; Carotid ultrasound; Internal carotid artery stenosis; Intimal medial thickening; Spectral Doppler

PMID:
30928074
DOI:
10.1016/j.rcl.2019.01.008
[Indexed for MEDLINE]

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