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Transcript of MRI
produced from the electromagnetic spectrum. What is it? www.physics3110.org/.../RJI_-_Magnetic_Resonance_Imaging_MRI_.ppt This relates to the atoms within our bodies Spin Spin can be thought of as a magnetic field
property of all atoms in nature The MRI machine applies radio frequency (RF) pulse that is specific to hydrogen atoms Hydrogen atoms align in the direction
of the magnetic filed pulse directed causes protons to absorb energy and spin
in different direction, which is known as resonance The physics of MRI's is a complex understanding of hydrogen atoms and the properties Magnetism and Resonance Frequency Atoms Resonance This diagram will help represent how the physics of MRI operates the feed back can be interpited by a computer.... when each of these properties and understandings are used, .....an internal image is produced Advantages of MRI scanning Uses non ionizing
radiation. (unlike x-rays). Ability to image in any plane (depth) Ability to diagnose, visualize, and evaluate various illnesses Disadvantages of MRI Patients have to remain motionless Very noisy! Bone and calcium do not show up on an MRI scan The Advantages & Disadvantages Bibliography www.physics3110.org/.../RJI_-_Magnetic_Resonance_Imaging_MRI_.ppt