A technician identified as a sonographer conducts a carotid ultrasound with a little, handheld gadget named a transducer. The transducer emits seem waves and documents the echo since the waves bounce off tissues, organs and blood cells. Tobacco use. Nicotine can irritate the internal lining of the arteries. Smoking also https://www.sgvascularctr.com/revealing-the-latest-innovations-in-carotid-artery-disease-treatment/