Some types of scans include X-rays, computed tomography (CT), magnetic resonance imaging ... Medical professionals use MRI scans to create detailed, three-dimensional images of structures inside ...

After the big, powerful magnetic field comes on, the MRI machine activates three magnets that produce smaller magnetic fields that are weaker than the main field by about 80-times, if not more.

This enables scientists to tell the difference between types of tissue and whether they are healthy. One of the biggest risks with MRI comes from the incredibly strong magnets that are used ...

If you have pain, weakness, or swelling around your knee, you may need a knee MRI. This test can help your doctor see what might be causing your symptoms. MRI stands for magnetic resonance imaging.

These three brain constituents respond to the low magnetic field in different ways and produce distinctive signals that reflect their unique properties, enabling the MRI system to produce images ...