A technician known as a sonographer conducts a carotid ultrasound with a small, handheld product named a transducer. The transducer emits seem waves and documents the echo as being the waves bounce off tissues, organs and blood cells. Finally, the surgeon eliminates the tube and the filter which was used https://www.sgvascularctr.com/revealing-the-latest-innovations-in-carotid-artery-disease-treatment/