For cerebral angiography, your doctor will insert a skinny, versatile tube termed a catheter into your carotid artery. Dye will be injected, then an X-ray might be taken to watch any abnormalities. This test is much more invasive than the opposite kinds of imaging, rendering it riskier. Carotid Artery Stenting: https://franciscorxdin.national-wiki.com/1355390/rumored_buzz_on_carotid_artery_disease_treatment