A technician named a sonographer conducts a carotid ultrasound with a little, handheld system referred to as a transducer. The transducer emits audio waves and documents the echo as the waves bounce off tissues, organs and blood cells. Tobacco use. Nicotine can irritate the inner lining on the arteries. Cigarette https://www.sgvascularctr.com/revealing-the-latest-innovations-in-carotid-artery-disease-treatment/