Based on your certain instances, your carotid artery could need a Doppler ultrasound, a specialized ultrasound check that measures how properly blood flows by blood vessels. A Doppler ultrasound produces graphs of blood stream rather then photographs. Then he deploys the stent, that is pushed into location by a balloon. https://www.sgvascularctr.com/treating-carotid-artery-disease-an-overview-of-treatment-options-in-singapore/