Carotid: This study is often part of the typical work-up for stroke and stroke-like symptoms. CT angiogram 9CTA) of the carotids detects narrowing or blockage in the neck arteries, which ultimately supply the brain. Significant narrowing of the carotid arteries may lead to stroke and may require surgery or stenting. In cases of sudden onset severe neck pain, your doctor may order CTA of the neck to look for carotid or vertebral artery dissection, a condition where a tear occurs in the wall of the artery.

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