What is MRI (Magnetic resonance imaging)?

Magnetic resonance imaging (MRI) uses strong magnetic fields and radio wave energy to photograph the interior of the object. This scan method has been developed primarily for use in medicine as a way to take pictures of structures in the patient's body, but is also used to study objects such as fossils and historical artifacts. MRI is able to provide images that provide information that previous scanning technologies such as X -ray, computer tomography (CT) and ultrasound cannot be.

How is it done

If MRI is necessary, the patient lies on the display table that slips into a large MRI scanner. Powerful magnetic fields are administered to align the nucleus in the patient's body atoms. Radiofrequency pulses are also applied. The cores release part of the radiofrequency energy and these emissions are detected by MRI. With these data, the computer can generate a highly detailed view of the tissue in the body immediately.

benefits

earlier imagingTechnologies such as X -rays were able to detect dense tissues, especially bones. MRI scan gives doctors the opportunity to better display a variety of body structures, including soft tissues. Magnetic resonance imaging is also able to distinguish between different types of soft tissues better than other scanning technologies. Digital images that are drawn by computer can be two -dimensional or even three -dimensional.

uses

Perhaps the best known use of magnetic resonance imaging is to diagnose muscle, binding, tendon or cartilage injuries such as knee injuries or drawn muscles. MRIs are often used to detect cancer that would otherwise be difficult to diagnose, such as mesothelioma. The ability to detect abnormalities, such as cancer in their early stages, has given magnetic resonance imaging -the battle against many diseases. MRIS can also be used to search for wIROKÉ SAGES Other conditions, including brain injuries, damage to organs in the abdomen and spine.

Effects on patients

It is generally assumed that patients are not damaged by subjugating MRI testing because radiation is not used. There are no known side effects, but patients who have pacemakers or some other metal implants are not eligible for these scanning. Tests usually take 30 to 60 minutes. Early MRI scanner models required patients to be placed in limited positions, but newer versions use an open design that is much more spacious and convenient. The patient is able to restore normal activity immediately after the test.