Aneurysms - Frequently Asked Questions
Medical Author: Melissa Conrad Stoppler, MD
What is an aneurysm?
The term aneurysm refers to any localized widening or outpouching of an artery, a vein, or the heart. Depending on their size and location, aneurysms may or may not produce symptoms. All aneurysms are potentially dangerous since the wall of the widened (dilated) portion of the involved vessel can become weakened and may possibly rupture.
What are some common types of aneurysms?
The most common types of aneurysms involve the aorta, the large vessel that carries oxygen-containing blood away from the heart. In particular, aneurysms most commonly develop in the abdominal portion of the aorta and are designated abdominal aortic aneurysms. Abdominal aortic aneurysms are most common in men over the age of 60. Most aortic aneurysms are caused by atherosclerosis ("hardening of the arteries") since this condition can weaken the walls of the aorta and lead to thinning and widening of the affected areas.
Medically Reviewed by a Doctor on 12/9/2014
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