An aneurysm is a ballooning of a weakened region of a blood vessel. It is caused due to the abnormal widening or ballooning of a part of an artery or cardiac chamber, due to weakness in the wall of the of the blood vessel. There are two main types of aneurysms, Aortic Aneurysm and Cerebral Aneurysm. Aortic aneurysm occurs in the aorta (can be abdominal, or thoracic ) and Cerebral aneurysm occurs in an artery in the brain.
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