Causes include brain trauma, aneurysms, arteriovenous malformations, and brain tumors. Causes of acquired cerebrovascular disease include atherosclerosis, embolism, aneurysms, and arterial dissections. Currently there are two treatment options for securing intracranial aneurysms&colon; surgical clipping or endovascular coiling. Most intact aortic aneurysms do not produce symptoms. Abdominal aortic aneurysms (AAAs) are more common than their thoracic counterpart. Other acquired associations with intracranial aneurysms include head trauma and infections. Thoraco-abdominal aortic aneurysms (TAAA) involve the aorta in the chest and abdomen. Medical therapy of aortic aneurysms involves strict blood pressure control. Less than 3% of abdominal aortic aneurysms are mycotic aneurysms. Other differential diagnoses include tumors, venous or arterial aneurysms, and connective tissue disorders. This inflammation leads to arterial stenosis, thrombosis, and aneurysms. There are currently two treatment options for brain aneurysms&colon; surgical clipping or endovascular coiling. Such presentations are associated with a higher risk of cardiac artery aneurysms. When analyzing small vessels though, such as those present in intracranial aneurysms. There are congenital atrial septal aneurysms, a rare heart defect.