Although CT is a relatively recent technology, there have been great improvements in the equipment. The early, slow "Step and Scan" machines required long image acquisition times, resulting in a ...

One of the most widely used drugs in the world isn't really a drug, at least not in the usual sense. It's more like a dye. Physicians call this drug "contrast," shorthand for contrast agent. Contrast ...

Researchers have found that patients with family and personal history of allergic reactions to contrast media are at risk for future reactions, according to a new large study. Allergic reactions to ...