1 Shingles in caused by the same virus that causes chickenpox-varicella-zoster virus. 2  Shingles is a painful infection of the nerve supplying an area of skin and is accompanied by a localised skin rash.
An aortic aneurysm (say a-OR-tik AN-yuh-rih-zum) is a bulge in a section of the aorta, the body's main artery. The aorta carries oxygen-rich blood from the heart to the rest of the body. Because the section with the aneurysm is overstretched and weak, it can burst.
Aortic Aneurysm: What You Need to Know. 1  Aneurysms may be characterized by a severe, pulsing pain in the chest (thoracic aneurysm) or lower back (abdominal aneurysm). Many aneurysms are caused by atherosclerosis, a buildup of fatty plaque in the artery. 2  People with certain connective tissue disorders may also be at risk. 3  Treatment is based on an aneurysmâs size and rate of growth. 4  Surgery is often needed to repair the aneurysm and avert a potential rupture.