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High-resolution carotid sonography: past, present, and future.

Carotid sonography has proved to be highly accurate in detecting and quantifying carotid atherosclerosis. By far the most common indication for these examinations is for triage of patients at risk for stroke. This article discusses how evolving medical therapies and technology are reshaping the role of noninvasive carotid sonography, with increasing emphasis on early identification of wall abnormalities