Best Hospitals 2007
The Real Inner You
Never had a CT or MRI Scan? Look into this quick course.
Even after you're admitted, you might get a CT or MRI scan, so here's what you need to know.
A CT (computed tomography) scanner takes multiple X-rays of your body and assembles the "slices," as thin as 1/50th of an inch, into a 3-D image. You will get an IV injection of a contrast dye first, to highlight the tissue of interest. Then you'll lie flat on a table and positioned inside a ring like a large doughnut.
A magnetic resonance imaging (MRI) scanner produces two-dimensional images from electromagnetic waves. You will be secured to a platform and pushed inside a body-length tube, perhaps after an injection of contrast dye. If offered headphones, with or without music, use them to muffle the jackhammerlike racket. It could take an hour or longer; you'll have to keep still and hold your breath on cue.
You can get a sedative if you're apprehensive, and a panic button will signal the staff to pull you out. At Sentara, the room is spritzed with a vanilla-scented spray that calms some patients, and glasses with angled lenses are provided for a view to the outside world. The electromagnetic waves are harmless but can affect metal objects in the body—patients with a pacemaker or other metallic implants should tell the radiologist.
Navigating the Hospital • Scheduling Surgery • Preadmission • Counting Down • Pre-Op • Finally, the OR • The Surgical ICU • On the Floor • Heading Home