What is Magnetic Resonance Imaging?

What is Magnetic Resonance Imaging? Magnetic Resonance Imaging (MRI) is a process that utilizes powerful magnetic and radio waves to render high-resolution images of internal tissues and organs of the body. Healthcare providers use these images to assess for and diagnose several medical conditions.

The Process of Magnetic Resonance Imaging

During an MRI, a patient is lying on a movable examination table. The table is then slid into a large, tube-shaped magnetic machine that generates a powerful magnetic field that temporarily realigns the hydrogen atoms present within the body. This realignment causes the atoms to emit a faint radioactive frequency signal. A device called a radiofrequency coil is positioned in proximity to the area of the body being examined. The radiofrequency coil detects the radiofrequency signals, which are then processed by a computer to construct precise cross-sectional images of the body’s internal structures. 

 

Source:https://www.mayoclinic.org/tests-procedures/mri/about/pac-20384768