Notes

MRI of the brain: when necessary, how it goes, contraindications




MRI of the brain is a procedure for examining its structure without disturbing the functioning with the organ. It can be accustomed to examine veins and soft tissues to distinguish possible injuries and lesions as a result of strokes.





MRI is entirely safe for humans, you can find practically no contraindications. The sole limitations are matched to the provision of pacemakers and metal implants. An energetic magnetic field can heat metals in your body or disrupt electronic mechanisms.

Indications to the procedure

MRI in the mental faculties are needed if:

Frequent and problems that can't be helped by medication.
Dizziness and fainting.
Numbness in the arms and legs, the appearance of weakness inside the limbs.
A clear deterioration in memory.
Regular tinnitus.
Decrease of coordination and disorientation in space.
Head trauma.

Progress

The MRI machine can be a large cylinder in which a individual is placed in a supine position. Prior to the procedure, metal jewelry on your body, braces, as well as other metal objects are removed. The sufferer is secured with straps available to minimize mobility for accurate results.

Special products are connected to the head that generate and receive radio waves. There is certainly significant noise inside the device, hence the patient is provided earplugs for best comfort.

Analysis of the result

From the resulting image, you can see blood vessels, neoplasms, dense and soft tissues. The photo is consumed several projections with the desired depth, thanks to which the doctor should be able to look at the health of the area of the brain. During the scanning process, some images are obtained, each of which can have a layer-by-layer portion of the cerebral tissue. With thanks to the different contrast the exact same image, every piece of information can be appreciated.

The photographs show: white matter, cerebral aqueduct, cerebellum, trunk, vascular structures. The tomograph creates images which are presented available as highlighted and eye shadows.

Decryption

When decrypting, a particular interpretation protocol is used. The pictures obtained are weighed against reference MRI data purchased from a normal brain. To accurately decipher the data received, the specialist has to thoroughly have in mind the physiological and pathological anatomy. It can be obligatory to know the peculiarities of the operation with the tomograph, that was employed for the examination.

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