When is a carotid ultrasound used to assess stroke risk?

The ultrasound scan of the carotid arteries is usually used when the doctor hears a bruit (an abnormal sound in the artery) or when a person has known risk factors for stroke, such as high blood pressure, elevated cholesterol, advanced age, or diabetes. But the use of carotid ultrasound as a screening tool for healthy people at average risk for stroke remains controversial. Groups like the American Stroke Association don't endorse mass screening.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.