An aortic aneurysm is a serious condition characterized by a bulge or weakening in the wall of the aorta, the largest artery in the body. The aorta carries oxygen-rich blood from the heart to the rest of the body. Aneurysms can develop anywhere along the aorta, but they most commonly occur in the abdominal or thoracic regions. There are two main types of aortic aneurysms:

1. Abdominal Aortic Aneurysm (AAA): This type of aneurysm occurs in the abdominal portion of the aorta. AAA is more common than thoracic aortic aneurysm and is often asymptomatic until it reaches a large size or ruptures. Risk factors for AAA include smoking, high blood pressure, atherosclerosis, and a family history of aortic aneurysms.
2. Thoracic Aortic Aneurysm (TAA): TAA occurs in the thoracic (chest) portion of the aorta. This type of aneurysm can be further classified based on its location within the thoracic aorta: ascending aortic aneurysm, aortic arch aneurysm, or descending thoracic aortic aneurysm. Risk factors for TAA include genetic conditions such as Marfan syndrome, bicuspid aortic valve, and certain connective tissue disorders.

Early detection and appropriate management of aortic aneurysms are essential for preventing complications and improving outcomes. Individuals with risk factors for aortic aneurysms, such as a family history of the condition or certain genetic disorders, should undergo regular screening and follow recommendations for lifestyle modifications and medical management to reduce their risk.