In addition to giving patients standard verbal breath-holding instructions, the segment offers them an idea of what to expect ...

Long contraindicated in patients with severe AS, the vasodilator may improve image quality with careful monitoring.

Semiconductor detectors that directly measure the electrical signals produced by X-rays have hugely improved the resolution and contrast of computed tomography scanners. In the 1970s computed ...

If you have a family history of heart disease, your doctor may suggest getting a coronary artery calcium (CAC) scan during your annual physical. A CAC scan measures the amount of calcified plaque in ...