More Information carotids nhlbi.nih.gov carotids carotids Carotid Ultrasound Carotid ultrasound Carotid ultrasound carotids carotids carotid artery study Carotid Ultrasound carotid ultrasound Carotid Ultrasound carotids carotids Carotid Ultrasound carotid artery study Carotid Ultrasound carotid Doppler ultrasound Carotid Ultrasound Carotid ultrasound http://www.nhlbi.nih.gov/health/health-topics/topics/cu Ultra Sound of the heart and arteries Carotid Ultrasound Carotid Ultrasound Carotid Ultrasound Carotid Ultrasound Carotid Ultrasound carotids