Surgical treatment is generally suggested when there is significant narrowing of your carotid artery. Surgical treatment decreases the chance for stroke after signs and symptoms for example TIA or minor stroke. Seem waves are used to understand the anatomy on the artery to determine regardless of whether narrowing is current. https://www.sgvascularctr.com/treating-carotid-artery-disease-an-overview-of-treatment-options-in-singapore/