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.
A DEXA scan is a technique that is used to measure the density of bone mineral. This is one of the most accurate tests available today and is presently the most widely used technique that is used to measure bone density.Doctors, with the help of a DEXA scan, are able to confirm or verify the condition osteoporosis.They are also able to estimate how severe the bone loss is and figure out if your response to the treatment is good.octors, with the help of a DEXA scan, are able to confirm or verify the condition osteoporosis. They are also able to estimate how severe the bone loss is and figure out if your response to the treatment is good.