Diagnostic Imaging (Hgh) - MRI Safety Quiz

The MRI scanner uses a strong magnetic field to create images of the body. This magnetic field can be dangerous if not properly controlled. If the room is accessible when no one is around, there is a risk of unauthorized access or tampering with the equipment, which can lead to accidents or damage. Locking the room ensures that only authorized personnel can access the scanner, reducing the risk of safety issues.

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The correct answer states that the stretcher and wheelchair shown are MRI compatible and are the only ones that can safely enter the scan room. This suggests that the MRI machine may have specific requirements or magnetic fields that could be dangerous or damaging to regular wheelchairs or stretchers. Therefore, it is important to never remove these specially designed MRI compatible equipment from the scan room.

Pacemakers are the #1 contraindication for patients having an MRI. This is because the strong magnetic field of the MRI machine can disrupt the functioning of the pacemaker and potentially cause harm to the patient. It is important to remove or disable the pacemaker before undergoing an MRI to ensure the safety of the patient.

The given answer correctly explains that the situation depicted in the description is a demonstration of the potential consequences of moving or placing a regular bed too close to a scan room. It emphasizes that it is fortunate that no one is in the bed during this incident. The answer suggests that the cluttered paperwork and the open door may be contributing factors to the situation, although it does not explicitly state it.

To assist staff in the MRI scan room, it is important to complete a MRI screening form to assess any potential risks. If the form clears you to enter the room, you must then remove all items that are sensitive to the magnetic field, such as pagers, cell phones, badges, coins, pens, scissors, and non-ferromagnetic jewelry (not attracted to magnets). Additionally, any items in your pockets, such as credit cards or bank cards, should be removed. However, digital watches are allowed as they are not affected by the magnetic field.

The correct answer explains that a Code Blue in an MRI is different compared to anywhere else in the hospital because most staff are unaware of the importance of MRI safety and don't realize that the patient cannot be cared for inside the MRI scanner room. This suggests that there is a lack of knowledge and understanding among the staff regarding the unique safety protocols and requirements in an MRI setting. As a result, there may be delays or challenges in providing immediate medical assistance to a patient experiencing a medical emergency inside the MRI scanner room.

If one of the non-MRI compatible oxygen cylinders enters the scan room, it can cause a dangerous situation. MRI machines use strong magnetic fields, and any metal objects can become projectiles and cause serious harm to patients and staff. Therefore, it is true that this could happen if a non-MRI compatible oxygen cylinder enters the scan room.

Pre-MRI orbit x-rays are necessary in all the given scenarios. If a patient has worked with metal and is unsure if any metal has entered their eye, pre-MRI orbit x-rays are needed to ensure there is no metal present that could cause harm during the MRI. Similarly, if a patient has had a piece of metal in their eye and is unsure if it has been completely removed, pre-MRI orbit x-rays are necessary to confirm removal. Lastly, if a patient is unconscious and a recent CT head scan that clearly showed the orbits has not been done, pre-MRI orbit x-rays are needed to assess the condition of the orbits.