Frequently Asked Questions

MRI

What is a MRI?
MRI stands for Magnetic Resonance Imaging. It is a revolutionary diagnostic imaging process that uses a magnet and radiofrequency waves to allow doctors to see inside your body from any angle without the need for surgery or radiation caused by x-rays and CT scans.
Why does my doctor care what type of MRI unit their patients go to?
Your doctor wants you to acquire the best images and interpretations possible. In MRI one of the basic principles of being able to obtain an image with high quality and resolution has to do with the MRI systems inherent field strength. The higher the field strength, the higher the signal and resolution. This translates into better image quality and often a higher accuracy for exam interpretation.
What does Tesla and High-Field mean?
The tesla is the value of the a magnet’s “strength”. A MRI unit is determined to be low, mid, or high field based on how much tesla it has. The stronger the magnet, the better the image of the MRI. A MRI unit is high-field once the amount of tesla reaches 1.0.

  • Low-Field MRI= Under .2 Tesla
  • Mid-Field MRI= .2 to 0.6 Tesla
  • High-Field MRI= 1.0 and greater
Are there any risks?
MRI units are very safe. There are no known side effects, but it is not usually recommended to have an exam during pregnancy unless medically indicated. If you are breast feeding and are required to have an exam with contrast, we ask that you suspend nursing for at least 48 hours after the exam.
Is there any preparation for a MRI?

Remember magnets and metal don’t mix – Before you enter the MRI unit you must let your MRI technologist know if you have a pacemaker, surgical clips, a prosthesis, metal implants or any other metal objects in your body. Our clinic personnel will then determine whether or not you should proceed with the MRI examination.
Any metal materials that might be affected or attracted by the powerful magnet used for MRI imaging should be left at home or can be secured in a locker our facility. This list includes your watch, coins, keys, bobby pins, credit cards, pocket knives, etc.

You should also be certain that you are reasonably clean of metal flakes or slivers on your skin, as found in some eye make-up or as a result of working around metal finishing or grinding equipment.

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