Magnetic Resonance Imaging
William C. Shiel Jr., MD, FACP, FACR
MRI scan facts
- MRI scanning uses magnetism, radio waves, and a computer to produce images of body structures.
- MRI scanning is painless and does not involve x-ray radiation.
- Patients with heart pacemakers, metal implants, or metal chips or clips in or around the eyes cannot be scanned with MRI because of the effect of the magnet.
- Claustrophobic sensation can occur with MRI scanning.