Abdominal aortic aneurysm
Definition
An aneurysm is when a blood vessel becomes abnormally large or balloons outward. The abdominal aorta is a large blood vessel that supplies blood to your abdomen, the pelvis, and legs.
Alternative Names
Aneurysm - aorticCauses
The exact cause is unknown, but risk factors for developing an aortic aneurysm include:
- High blood pressure
- Smoking
- High cholesterol
- Obesity
- Emphysema
- Genetic factors
- Male gender
An abdominal aortic aneurysm can develop in anyone, but it is most frequently seen in males over 60 with one or more risk factors. The larger the aneurysm, the more likely it is to rupture.
When an abdominal aortic aneurysm ruptures, it is a true medical emergency. Aortic dissection occurs when the innermost lining of the artery tears and blood leaks into the wall of the artery. This most commonly occurs in the aorta within the chest.
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