CT scans use X-ray equipment and computer processing to produce 2-dimensional images of the body. The patient lies on a table and passes through a machine that looks like a large, squared-off donut.
This test uses a magnetic field, radiofrequency pulses, and a computer to produce detailed images of body structures in multiple planes. Some people may need an IV put in place so caregivers can inject a contrast solution into their veins. This depends on the exam the doctor has ordered. MRI is a more detailed tool than x-ray and ultrasound and for certain organs or areas of the body, it provides better images than CT.
A form of electromagnetic radiation with very high frequency and energy. X-rays are used to examine and make images of things such as the bones and organs inside the body.
