| Magnetic resonance imaging (MRI), or nuclear | | | | electromagnetic field makes the protons change |
| magnetic resonance imaging (NMRI) refers to a | | | | their alignment relative to the field. As soon as the |
| sophisticated medical technique used in radiology. | | | | electromagnetic field is turned off, the released |
| This medical imaging technique is commonly used | | | | protons return to their original alignment. |
| to visualize internal structure and functions of the | | | | There are some specialized MRI scans, such as |
| body organs. The images captured by MRI | | | | Diffusion MRI, Magnetic transfer MRI, Fluid |
| technique give detail information to assess the | | | | attenuated inversion recovery (FLAIR), Magnetic |
| functions inside the body. These images provide | | | | resonance angiography, Functional MRI, |
| greater contrast between the different soft | | | | Interventional MRI, Radiation therapy simulation, |
| tissues of the body than other scanning | | | | Multinuclear imaging, Susceptibility weighted |
| technologies like computed tomography (CT) and | | | | imaging, etc. This technique uses some specified |
| X-rays. | | | | components like MRI machine that is embedded |
| The magnetic resonance imaging scan is a | | | | with the primary magnets and gradient magnets. |
| non-invasive method that uses magnets and radio | | | | The primary magnets develop a magnetic field of |
| waves to give deep look inside the human body. | | | | around 1.5 to 3 Tesla. The gradient magnets help |
| It is widely used in the neurological treatment, | | | | in altering the magnetic field precisely. MRI scanner |
| musculoskeletal, cardiovascular, and oncological | | | | also includes horizontal tube. There are specialized |
| imaging. MRI does not use ionizing radiation like | | | | computer hardware and software components to |
| CT, but it uses powerful magnetic field to align | | | | set the parameters prior to the examination. |
| the nuclear magnetization of hydrogen atoms in | | | | In comparison to the other imaging techniques, |
| water that is present in the body. The MRI | | | | the MRI scan is little expansive. It is performed to |
| images can be reviewed on a large computer | | | | detect cancers in the organs of the chest and |
| screen to identify the exact problem. Here radio | | | | abdomen. It is used to evaluate the problems in |
| frequency field is used to systematically alter the | | | | heart, liver, biliary tract, kidney, pancreas, spleen, |
| alignment of this magnetization, causing the | | | | breast cancer implants and adrenal glands. |
| hydrogen nuclei to produce a rotating magnetic | | | | Physicians use MRI to help diagnose or monitor |
| field detectable by the scanner. A radiofrequency | | | | some treatment conditions. |