What's carotid stenosis?

Blocked neck artery: Carotid artery stenosis is most often from cholesterol buildup (atherosclerosis ). More than 50% is signifcant. Usually diagnosed with ultrasound. Most can be treated with medications, rarely a stent or surgery is needed to prevent stroke.

Narrowing: Narrowing of the carotid artery mainly at its bifurcation in neck into internal and external carotid arteries. Typically caused by atherosclerosis and when progress to above 50-60% can be associated with higher risk of stroke if not treated adequately.

Narrowing of artery: The term refers to the narrowing of the carotid arteries which supply blood to the brain. This narrowing is usually caused by the buildup of fatty substances and cholesterol deposits, called plaque. Carotid artery occlusion refers to complete blockage of the artery. When the carotid arteries are obstructed, you are at an increased risk for a stroke, the third leading cause of death in usa.