I am a retired engineer who used to work at Abbott Diabetes Care doing failure analysis of returned glucose monitors and Libre sensors. I would be very concerned about damage to the electronics caused by the RF field and less so about the magnetic field. Damage could range from just causing it to become inoperable to getting hot enough to burn the patient. I can’t recall if there was an inductor (has a ferrous core) in the sensor, probably not. Every so often we would get a conventional glucose monitor that a customer had put in a microwave oven (to dry it out???). Such glucose monitors would be badly charred and melted. I reproduced the phenomenon myself to confirm that was what happened and observed sparks and smoke within seconds of turning the microwave oven on.
Excellent podcast. With regard to the glucose monitor question I believe there’s a chance you could burn the patient because of the electronic components in the sensor. Also, the sensor can malfunction after being exposed to strong magnetic field. Correct me if I’m wrong, but I believe that’s true.
Good point. Yes you're correct. The Libre models website says to remove them before MRI, CT and Diathermy treatments. We see them often at our site. We schedule their appointments when it's time for them to change it to a new one, then its already off anyways. They're pretty expensive also, it saves the patient a wasted sensor.
Excellent learning so much. Working with several technologists and never heard of putting an ice pack on it? Were can I learn more about this process/option.
Would extra thin people be more sensitive to diffuse heating? Would high amounts of heavy metals in the blood increase heating up blood? Or colloidal silver on skin?
I am a retired engineer who used to work at Abbott Diabetes Care doing failure analysis of returned glucose monitors and Libre sensors. I would be very concerned about damage to the electronics caused by the RF field and less so about the magnetic field. Damage could range from just causing it to become inoperable to getting hot enough to burn the patient. I can’t recall if there was an inductor (has a ferrous core) in the sensor, probably not.
Every so often we would get a conventional glucose monitor that a customer had put in a microwave oven (to dry it out???). Such glucose monitors would be badly charred and melted. I reproduced the phenomenon myself to confirm that was what happened and observed sparks and smoke within seconds of turning the microwave oven on.
Excellent podcast. With regard to the glucose monitor question I believe there’s a chance you could burn the patient because of the electronic components in the sensor. Also, the sensor can malfunction after being exposed to strong magnetic field. Correct me if I’m wrong, but I believe that’s true.
Excellent podcast , I’m actually in Dr.Kanal’s MRSO Training Conference now
Excellent podcast.
Going for my MRSO certification this summer so this podcast is definitely motivating for me.
Love the safety content and education!
Good point. Yes you're correct. The Libre models website says to remove them before MRI, CT and Diathermy treatments. We see them often at our site. We schedule their appointments when it's time for them to change it to a new one, then its already off anyways. They're pretty expensive also, it saves the patient a wasted sensor.
Excellent learning so much. Working with several technologists and never heard of putting an ice pack on it? Were can I learn more about this process/option.
Hi!! The ACR Manual on MR Safety from 2023 talks about cold compresses on tattoos- I think page 58/59. Hope that’s helpful! 🙂
Would extra thin people be more sensitive to diffuse heating? Would high amounts of heavy metals in the blood increase heating up blood? Or colloidal silver on skin?
Very nice
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