A 52-year-old woman suffering from a severely damaged heart valve was successfully treated with a replacement surgery and implanted with a cow's pericardial valve at a Mumbai hospital. Amita Patki was diagnosed with aortic aneurysm -- enlargement of the aorta. An aneurysm is a bulge or ballooning in the wall of an artery which carries oxygen-rich blood from the heart to the rest of the body. An overstretched and weak aorta can burst causing serious bleeding and leading to death. A 2D Echocardiogram -- also known as echo test -- revealed to the doctors at Nanavati Super Speciality Hospital that