A technician identified as a sonographer conducts a carotid ultrasound with a little, handheld machine identified as a transducer. The transducer emits seem waves and data the echo given that the waves bounce off tissues, organs and blood cells. The catheter web site may well stay tender, swollen and bruised https://www.sgvascularctr.com/revealing-the-latest-innovations-in-carotid-artery-disease-treatment/