Magnetic resonance imaging, also known as an MRI, is a painless imaging procedure used to help your physician diagnose a wide variety of conditions, including heart and vascular disease, stroke, cancer, joint disorders, breast disease and neurological conditions.
The MRI scanner uses a powerful magnet, radio waves and computer technology to produce pictures of organs, soft tissues, bone and most other internal body structures from all angles, without ionizing radiation. Single MRI images are called slices. One exam produces dozens or sometimes hundreds of images.
In many cases, magnetic resonance imaging provides different information about structures within the body that can’t be viewed through other imaging procedures.
An MRI uses a powerful magnet to produce images of the inside of the body. Learn more about MRI safety before your scan.
There are many types of MRI including: