Magnetic resonance imaging (MRI) uses a large magnet and radio waves to look at organs and structures inside your body. MRIs are very useful for examining the brain and spinal cord.

CT Scan is a diagnostic imaging procedure that combines the use of x-rays with computer technology to produce cross-sectional images (“slices”) of the body.

Ultrasound uses high-frequency sound waves to view inside the body. There is no ionizing radiation exposure associated with ultrasound imaging.

X-ray involves exposing the part of the body that is being examined to a small dose of ionizing radiation to produce pictures of the inside of the body. X-rays make up X-radiation, a form of high-energy electromagnetic radiation.