Imaging is the creation of pictures of areas inside the body that could not otherwise be seen. There are many different technologies used to create images. Images are created by the way different tissues react to x-rays, radioactive particles, sound waves or magnetic fields. Sometimes a contrast mediumcontrast mediumA substance used in some diagnostic procedures to help parts of the body show up better on x-rays or other imaging tests. is used to create a better picture.
|Type of imaging test||How images are produced||Examples|
nuclear medicine imaging studies
Imaging is done to:
Each test uses a different technology and imaging machine. Depending on the type of imaging test, it may be done in a doctor’s office, clinic, imaging centre or hospital. Some tests require special preparation.
The images are captured on x-ray film or a computer. They are read and interpreted by a doctor who specializes in imaging techniques (a radiologist) or a nuclear medicine doctor.
An imaging test can show:
The doctor will decide whether further tests, procedures, follow-up care or additional treatment are needed.