Embolic events of the retinal vessels are related to the state of the carotid artery tree and therefore Doppler ultrasonography of the carotid arteries in these patients is of particular interest.
A high pitch sound or "bruit" coming from the carotid artery may indicate significant narrowing. Carotid Artery Ultrasound Doppler Scan - This is a noninvasive diagnostic test that uses ultrasound to ...
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