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Medical radiation safety

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MRI uses magnetic fields and radio waves instead of radiation to produce detailed images of the body. While the MRI magnet is always on, MRI has been shown to be extremely safe as long as patients remove any metal objects and follow safety precautions. Certain metal implants, foreign objects, or devices containing metal may present a health risk or problems during an MRI exam if brought into the magnetic field.

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Medical Radiation Safety
What is MRI? o MRI, or magnetic resonance imaging, is a means of “seeing” inside the body in order for doctors to find certain diseases or abnormal conditions.
MRI o MRI does not rely on the type of radiation used for an x- ray or computer tomography (CT) scan. o The MRI examination requires specialized equipment that uses a powerful, constant magnetic field, rapidly changing local magnetic fields, radiofrequency energy, and dedicated equipment including a powerful computer to create very clear pictures of internal body structures.
Is MRI Safe? o MRI has been shown to be extremely safe as long as proper safety precautions are taken. o In general, the MRI procedure produces no pain and causes no known short-term or long-term tissue damage of any kind. o The MRI magnet is always ON, even if there is no examination in process.
Items or Things that may create a health hazard or Other Problems during an MRI Exam: o Pacemaker o Metal Implant o Implanted drug infusion device o Foreign metal objects, especially if in or near the eye o Shrapnel or bullet wounds o Permanent cosmetics or tattoos o Dentures/teeth with magnetic keepers o Medication patch that contains metal foil.
Metal o For patient and staff safety, no metal objects are allowed in the MRI room o Special tools, cleaning equipment, and even oxygen containers must be used when entering the room
Warning Sign o Each x-ray room has a X-RAY warning sign above the door o When this light is on, the x-ray is in use and no one should enter the room IN USE

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Medical radiation safety

  • 2. What is MRI? o MRI, or magnetic resonance imaging, is a means of “seeing” inside the body in order for doctors to find certain diseases or abnormal conditions.
  • 3. MRI o MRI does not rely on the type of radiation used for an x- ray or computer tomography (CT) scan. o The MRI examination requires specialized equipment that uses a powerful, constant magnetic field, rapidly changing local magnetic fields, radiofrequency energy, and dedicated equipment including a powerful computer to create very clear pictures of internal body structures.
  • 4. Is MRI Safe? o MRI has been shown to be extremely safe as long as proper safety precautions are taken. o In general, the MRI procedure produces no pain and causes no known short-term or long-term tissue damage of any kind. o The MRI magnet is always ON, even if there is no examination in process.
  • 5. Items or Things that may create a health hazard or Other Problems during an MRI Exam: o Pacemaker o Metal Implant o Implanted drug infusion device o Foreign metal objects, especially if in or near the eye o Shrapnel or bullet wounds o Permanent cosmetics or tattoos o Dentures/teeth with magnetic keepers o Medication patch that contains metal foil.
  • 6. Metal o For patient and staff safety, no metal objects are allowed in the MRI room o Special tools, cleaning equipment, and even oxygen containers must be used when entering the room
  • 7. Warning Sign o Each x-ray room has a X-RAY warning sign above the door o When this light is on, the x-ray is in use and no one should enter the room IN USE