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 CT angiography (CTA) scan is a special kind of CT exam that focuses particularly on the blood vessels, using a contrast material to make them show up clearly in the images. Common uses. CTA is used to examine blood vessels in areas including the brain, neck, chest and abdomen. Conditions that the exam can reveal include aneurysms and narrowing of the arteries. Safety. CT examinations improve health care and are an essential part of diagnosis and treatment planning.