If the cryogenic helium is not vented outside of the MRI room properly, the helium can displace the oxygen in the room, leading to possible asphyxiation.
Sudden heating of the magnet may cause burns to patients in the bore.
Electrocution by arcing of electricity across the main magnet windings.
Blinding flash of light.
When the patient has had any type of eye surgery.
When the patient has a false eye.
When the patient has a history of foreign body in the orbit
Xrays are NEVER a necessary requirement prior to an MRI.
They can still use the same monitoring equipment that they are connected to.
This is a false statement. No monitoring is allowed in the MRI scanner.
Only MRI compatible monitoring can be used.
An emergency procedure that runs the magnetic field to ZERO
Standard condition that patients complain of after being in a magnetic field for longer than 2 hrs at a time.
What Gatorade does to thirst
No, there are only 3 Safety Zones.
No, there are only 4 Safety Zones.
Asphyxiation and Frost Bite
The MRI Technologist
Hold onto the device very tightly, and walk it into the magnetic field
Review the device with the MRI Technologist or Safety officer
Scan the device based on your personal knowledge
Scan the device ONLY at the highest field strength
Objects becoming projectiles
None of these are correct
Bring the crash cart into the scan room, then call 111
Call 911, and remove the patient from the scanner room immediately
Call 111, and remove the patient from the scanner room immediately
Wrap the tattoo in a cool, damp compress prior to beginning the MRI
Do nothing. Tattoos are safe
Cancel the exam. Patients with tattoos (less than a year old) should NOT be scanned.
Explain that in rare cases tattoos can tingle or burn and let them know if they are not comfortable in continuing they can back out of the study
There should be no issue
The wallet may heat up, and cause local burning/heating.
The ink in US currency has metal flecks, and may become a projectile
Erasing of all magnetic strips (on bank cards/credit cards) may occur
The magnetic Fringe field
The amount of RF energy that is deposited into the patient.
The length of the scan.
Special Aluminum Requirements
History of Liver or Renal Diseas
Over the age of 60
Known history of renal failure
Patients in renal failure, or on dialysis
We can only scan patients with stents 6 weeks post implantation.
We scan all stents, regardless of when they were implanted.
We can NOT scan patients who have drug eluting stents.
We can only scan patients with stents 8 weeks post implantation.
The interface between the publicly accessible and the strictly controlled regions
The region that leads to the MR scanner and only MR personnel have access to it.
All areas that are outside the MR environment and freely accessible to the general public.
Area that is synonymous with the MR scanner magnet room itself.
Only patients require screening
Non-MR personnel employees who have been working in the MR environment can be exempted from screening
Non-emergent patients and research and volunteer subjects are to complete written MR safety screening questionnaires before their introduction to Zone III.
Everyone needs MRI screening.
They cannot be brought into zone III at all
They can still be brought into zone III if they are deemed by MR personnel to be necessary for patient care
MR personnel should supervise but the person who brings the device is responsible for the safe usage.
All devices are safe at zone III.
You will still feel a force being applied to the nonmagnetic device due to Lenz's law
The tank might be heated by the magnetic field.
That might pose a projectile hazard.
Since it is nonferromagnetic, there is no concern of MR safety.