Magnetic resonance angiography and computed tomography angiography can create detailed pictures of carotid blockages. These scans generate high-good quality pictures with the carotid arteries. Computed tomography angiography will involve radiation; magnetic resonance angiography does not. Ultrasound: Also referred to as a duplex ultrasound, this sort of check utilizes audio waves https://www.sgvascularctr.com/treating-carotid-artery-disease-an-overview-of-treatment-options-in-singapore/