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General Questions

MRI

CT

X-Ray

Mammograms

Ultrasound

Arthrograms

Nuclear Medicine

Hip Joint Injection

Bone Density Scans

 

How does the procedure work?

In many ways CT scanning works very much like other x-ray examinations. X-rays are a form of radiation-like light or radio waves-that can be directed at the body. Different body parts absorb the x-rays in varying degrees.

With CT scanning, numerous x-ray beams and a set of electronic x-ray detectors rotate around you, measuring the amount of radiation being absorbed throughout your body.
At the same time, the examination table is moving through the scanner, so that the x-ray beam follows a spiral path. A special computer program processes this series of pictures, or slices of your body, to create two-dimensional cross-sectional images, which are then displayed on a monitor.

Modern CT scanners are so fast that they can scan through large sections of the body in just a few seconds. Such speed is beneficial for all patients but especially children, the elderly and critically ill.