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Arterial insufficiency

Definition

Arterial insufficiency is any condition that slows or stops the flow of blood through your arteries. Arteries are blood vessels that carry blood from the heart to other places in your body.

Causes

One of the most common causes of arterial insufficiency is atherosclerosis or "hardening of the arteries." Fatty material (called plaque) builds up on the walls of your arteries. This causes them to become narrow and stiff. As a result, it is hard for blood to flow through your arteries.

Blood flow may be suddenly stopped due to a blood clot. Clots can form on the plaque or travel from another place in the heart or artery (also called embolus).

Symptoms

Symptoms depend on where your arteries become narrowed:

References

Hansson GK, Hamsten A. Atherosclerosis, thrombosis, and vascular biology. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 70.


Review Date: 10/29/2013
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.
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