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High Field vs. Low Field MRI

High Field MRI machines are the most common of the two, and are usually closed, low field MRIs are also called open

We receive a number of questions here at Amber Diagnostics regarding the benefits and differences of High Field MRI machines and Low Field MRI machines. High Field MRI machines are also the most common of the two, and are usually called Closed MRI’s.

Low Field MRI’s are also called Open MRI’s. Below we’ve listed the pros and cons of each, so that you’ll have a better understanding of each machine and will be able to make the most informed decision about which type will be best for yourself and your facility.

High Field (Closed) MRI –

  • Field strength ranges from 0.35 to 1.5 Tesla.
  • Closed refers to the donut shaped opening that the patient goes through.
  • For patients that are not claustrophobic and are able to withstand a long time within the machine.
  • Usually scan much faster than Open systems.
  • Less patient motion due to shorter times.

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Low Field (Open) MRI –

  • Field strength ranges from 0.2 to 0.3 Tesla.
  • Open refers to the open sides of the MRI machine.
  • For patients that suffer from claustrophobia, are larger, or are older and cannot stand to be in an MRI as long.
  • Slightly less fast than Closed MRI systems.
  • Can provide motion studies of joints that are not possible with Closed MRI’s.

High Field MRI’s are the most traditional type of MRI, but Low Field MRI machines are gaining more momentum because of the comfort level for patients and the availability of performing joint motion studies. You’ll want to thoroughly consider each option before making your final decision, and if you’re having trouble, you can always contact out sales professionals here and they’ll be more than happy to help you figure out whether the High Field or Low Field MRI is best for you.


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GE Discovery MR750 3.0T MRI Scanner

GE Discovery MR-750 3.0T

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Hitachi Airis II Open MRI Scanner

Hitachi Airis Open

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