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MRI (Magnetic Resonance Imaging)

What is It?

Magnetic Resonance Imaging (MRI) is a medical imaging technique used to visualize internal structures of the body in detail. MRIs play a vital role in helping providers visualize internal structures of the body such as organs, tissues and other crucial components without the need for an invasive procedure.

What to Expect During an MRI

For an MRI of the brain, neck, back and shoulder, a patient will usually lay on a table that moves them inside a tube-shaped machine. For examination of the limbs, a patient may not need to have their entire body in the machine. The procedure is painless and will take from 30 minutes to over an hour, depending on scope.

How does an MRI work?

MRI machines utilize strong magnetic fields and radio waves to create accurate, three-dimensional imagery of internal structures of the body. Unlike other imaging technologies such as X-rays or CT scans, an MRI does not use ionizing radiation. This makes it safe for repeated use, especially when several MRIs are necessary for ongoing monitoring of treatment.

What is an MRI Used For?

An MRI scan is commonly used to diagnose and monitor a wide range of medical conditions, including:

  • Neurological Disorders
    • MRIs are often used to detect neurological abnormalities such as tumors, strokes and multiple sclerosis.
  • Spinal and Skeletal Injuries
    • MRIs produce detailed images of the spine, muscles and joints, allowing providers a clear understanding of a patient's spinal and skeletal injuries.
  • Cancer Detection
    • MRIs are used to detect and monitor growth of tumors in various organs of the body, such as the brain, liver and prostate.
  • Vascular Disease
    • Cardiologists use MRIs to examine circulatory system conditions such as blood flow and heart structures in a non-invasive way.

Benefits of an MRI

MRI is a preferred diagnostic procedure because it offers the following benefits:

  • High Resolution Imaging
    • Superior image quality allows for a more precise diagnosis.
  • Lack of Radiation
    • With no ionizing radiation involved, an MRI is safer for patients who require frequent scans.
  • Non-Invasive.
    • MRIs allow providers to get an understand of what is happening inside the body without an invasive procedure.