What Causes Aneurysm?
An aneurysm is an abnormal widening or ballooning of a portion of an artery due to weakness in the wall of the blood vessel.
See also:
Abdominal aortic aneurysm Cerebral aneurysm Thoracic aortic aneurysm
Causes, incidence, and risk factors
It is not clear exactly what causes aneurysms. Some aneurysms are present at birth (congenital). Defects in some of the parts of the artery wall may be responsible.
Common locations for aneurysms include:
- The major artery from the heart (the aorta)
- The brain...
More information on "What Causes Aneurysm?"
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From Our Sources
Aneurysms
Source: HealthCentral Encyclopedia
A localized dilation of the wall of a blood vessels, usually caused by atherosclerosis and hypertension, or less frequently, by trauma, infection, or... Read more »
Aneurysm Symptoms
Source: ADAM Encyclopedia
The symptoms depend on the location of the aneurysm. If the aneurysm occurs near the body's surface, pain and swelling with a throbbing mass is often... Read more »
Aneurysm in the brain
Source: ADAM Encyclopedia
An aneurysm is a weak area in the wall of a blood vesel that causes the blood vessel to bulge or balloon out. When an aneurysm occurs in a blood... Read more »
Thoracic aortic aneurysm
Source: ADAM Encyclopedia
An aneurysm is an abnormal widening or ballooning of a portion of an artery due to weakness in the wall of the blood vessel.A thoracic aortic... Read more »
Abdominal aortic aneurysm
Source: ADAM Encyclopedia
An abdominal aortic aneurysm is when the large blood vessel that supplies blood to the abdomen, pelvis, and legs becomes abnormally large or balloons... Read more »
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