http://www.radiologyinfo.org/en/info.cfm?pg=us-carotid Carotid Arteries Carotid Ultrasound Imaging http://www.radiologyinfo.org/en/info.cfm?pg=us-carotid http://www.radiologyinfo.org/en/info.cfm?pg=us-carotid http://www.radiologyinfo.org/en/info.cfm?pg=us-carotid