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MRI Scan (2-D, 3-D) 1.5T

What is an MRI Scan?

An MRI scan uses a large magnet, radio waves, and a computer to create a detailed, cross-sectional image of internal organs and structures.
The scanner itself typically resembles a large tube with a table in the middle, allowing the patient to slide in.
An MRI scan differs from CT scans and X-rays, as it does not use potentially harmful ionizing radiation.

Uses

The development of the MRI scan represents a huge milestone for the medical world.
Doctors, scientists, and researchers are now able to examine the inside of the human body in high detail using a non-invasive tool.

The following are examples in which an MRI scanner would be used:

  • anomalies of the brain and spinal cord
  • tumors, cysts, and other anomalies in various parts of the body
  • breast cancer screening for women who face a high risk of breast cancer
  • injuries or abnormalities of the joints, such as the back and knee
  • certain types of heart problems
  • diseases of the liver and other abdominal organs
  • the evaluation of pelvic pain in women, with causes including fibroids and endometriosis
  • suspected uterine anomalies in women undergoing evaluation for infertility

This list is by no means exhaustive. The use of MRI technology is always expanding in scope and use.

Preparation

There is very little preparation required, if any, before an MRI scan.
On arrival at the hospital, doctors may ask the patient to change into a gown. As magnets are used, it is critical that no metal objects are present in the scanner. The doctor will ask the patient to remove any metal jewellery or accessories that might interfere with the machine.

A person will probably be unable to have an MRI if they have any metal inside their body, such as bullets, shrapnel, or other metallic foreign bodies. This can also include medical devices, such as cochlear implants, aneurysm clips, and pacemakers.
Individuals who are anxious or nervous about enclosed spaces should tell their doctor. Often they can be given medication prior to the MRI to help make the procedure more comfortable.

Patients will sometimes receive an injection of intravenous (IV) contrast liquid to improve the visibility of a particular tissue that is relevant to the scan.
The radiologist, a doctor who specializes in medical images, will then talk the individual through the MRI scanning process and answer any questions they may have about the procedure.

Once the patient has entered the scanning room, the doctor will help them onto the scanner table to lie down. Staff will ensure that they are as comfortable as possible by providing blankets or cushions.
Earplugs or headphones will be provided to block out the loud noises of the scanner. The latter is popular with children, as they can listen to music to calm any anxiety during the procedure.