| Magnetic resonance imaging (MRI) of the brain uses a | | | | MRI technique called diffusion/perfusion is used for |
| magnetic field, radio waves and a computer to | | | | scanning the brain and helps to detect a brain stroke |
| create a detailed image of the complex structure of | | | | within minutes of onset, allowing for earlier |
| brain tissues. For a Brain MRI, the head is scanned | | | | treatment.Unlike x-rays, which are harmful to the |
| with the help of an MRI machine. A Brain MRI gives a | | | | brain, MRIs are a safer option for brain scanning |
| clear and detailed cross sectional image of the brain | | | | because of no significant side effects. Gradient |
| area giving a three-dimensional depiction of the brain. | | | | magnets are used to alter the magnetic field in the |
| These cross sectional images can be projected and | | | | area that has to be scanned while the magnetic |
| stored in a computer or printed on a film. Since Brain | | | | force is being applied. Brain MRI helps the technician |
| MRIs produce better soft tissue images than X-ray | | | | to concentrate on the exact area of the patient's |
| reports and can distinguish between the grey matter | | | | brain they want to scan.A new study has evolved |
| and the white matter of the brain, they help in | | | | where Brain MRIs are now being widely used for |
| locating defects in the brain tissues like, tumors, | | | | polygraph tests as well as to identify if a person is |
| pituitary masses, radiation damage to the brain, brain | | | | lying. It does so by tracking the flow of blood into |
| swelling, abnormalities of blood flow, optic glioma and | | | | certain areas of the brain, indicating increased activity |
| brain aneurysm more accurately and precisely. MRI | | | | of lying.MRI provides detailed information on MRIs, |
| has been able to identify lesions in brain in about 95% | | | | Open MRIs, Brain MRIs, MRI Scans and more. MRI is |
| of patients as compared to the CT scan that | | | | affiliated with Digital Oscilloscopes. |
| identified lesions in about 25% of the patients. An | | | | |