It's not that Caterpillar was doing poorly before the downturn. It was and still is the world's dominant maker of construction and mining equipment, as well as a leading producer of diesel and gas engines, industrial turbines (essentially jet engines that power equipment and generate electricity), and locomotives.
Definition. A HIDA scan is an imaging test. It helps to diagnose problems of the gallbladder and liver. Bile is a fluid that is made in the liver. It is stored in the bile duct.This fluid helps your body digest certain foods.If there is a problem with the production or flow of bile, a HIDA scan may find the problem.t helps to diagnose problems of the gallbladder and liver. Bile is a fluid that is made in the liver. It is stored in the bile duct. This fluid helps your body digest certain foods. If there is a problem with the production or flow of bile, a HIDA scan may find the problem.
When a DEXA (DXA) scan is used. DEXA (DXA) scans are used to measure bone density and assess the risk of bone fractures. They're often used to help diagnose bone-related conditions such as osteoporosis (or the risk of developing it).Total body DEXA scans can also be used to measure body composition (the amount of bone, fat and muscle in the body). DEXA scan also uses a low dose of radiation, which means the risks to health are much lower than standard X-rays. Doctors use the results of DEXA scans to help them decide whether treatment for low bone mineral density is needed.