Arteriovenous malformations (AVMs) are tangles of blood vessels that bring about the atypical stream of blood among veins and arteries. You may not have any indications of carotid artery disease. Plaque builds up within the carotid arteries eventually without warning symptoms right until there is a transient ischemic attack (TIA) https://sgvasculargrp.com/medical-condition/carotid-arterial-disease/