Aneurysm is where a section of an artery or cardiac chamber has an atypical widening or bulging attributed to weakness in the wall.
What causes aneurysms is unclear. Some aneurysms are congenital and some aneurysms come from defects in pieces of the artery wall or from trauma. Cholesterol buildup in the arteries may cause aneurysm formations and high blood pressure can increase your risk certain forms of aneurysms. Most aneurysms take place in the aorta. If it arises in the chest it is called a thoracic aortic aneurysm and if it occurs in the abdomen it is called an abdominal aortic aneurysm.
Aneurysms usually produce no symptoms but if they burst, high heart rate, lightheadedness and low blood pressure may arise resulting in a high probability of death from dangerous bleeding inside the body. Early diagnosis and medical care can help fend off many cases of ruptures and dissections. If found early, aortic aneurysms can often be treated effectively with surgery or medicines that lower blood pressure and ease blood vessels. Aortic aneurysms that are large can be braced or restored with surgery.
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