A technician called a sonographer conducts a carotid ultrasound with a small, handheld product known as a transducer. The transducer emits audio waves and information the echo as the waves bounce off tissues, organs and blood cells.   You will find a problem with info submitted for this request. Overview/update https://www.sgvascularctr.com/revealing-the-latest-innovations-in-carotid-artery-disease-treatment/