A technician referred to as a sonographer conducts a carotid ultrasound with a little, handheld device known as a transducer. The transducer emits sound waves and documents the echo since the waves bounce off tissues, organs and blood cells.   There exists a issue with info submitted for this ask https://www.sgvascularctr.com/revealing-the-latest-innovations-in-carotid-artery-disease-treatment/