1. An MRI (Magnetic Resonance Imaging) is a medical imaging technique that uses strong magnetic fields and radio waves to generate detailed images of the inside of the body, particularly soft tissues like the brain, muscles, and organs.
2. MRI scans are often used for diagnosing conditions such as tumors, strokes, spinal cord injuries, joint problems, and neurological disorders because they provide high-resolution images without using ionizing radiation.
3. The patient lies inside a large cylindrical machine that generates a powerful magnetic field, causing hydrogen atoms in the body to align. Radio waves are then pulsed through the body, temporarily knocking these atoms out of alignment. When the radio waves stop, the atoms return to their original position, emitting signals that are detected by the scanner and converted into images.
4. An MRI scan may not be suitable for someone with certain metal implants (like pacemakers or cochlear implants), metal fragments in the body, or severe claustrophobia, as the strong magnetic field can interfere with devices or cause discomfort. Pregnant women should consult their doctor before undergoing an MRI, especially during the first trimester.
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