HEALTH TOPICS 
Abdominal Aortic Aneurysm
What Is It?
An abdominal aortic aneurysm is an abnormal swelling in the aorta. Smaller aneurysms rarely cause a problem. But over time, they can enlarge, which increases the risk of rupture. This can be fatal.
The aorta is the body's largest artery. It carries oxygen-rich blood from the heart to smaller arteries in the body.
To continue reading this article, you must login.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise