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Magnetic closure masks - Warning
#1
Magnetic closure masks - Warning
From a sleeptech on another forum

I have been meaning to post about this for a while now. There have been a few masks come out over the last year or 2 with magnetic clips, such as the ResMed AiFit F20, The ResMed AirFit N20 and the Respironics DreamWear full face. The idea has its merits as it makes them much easier to use for people with reduced dexterity, however, it comes with a major caveat. If you have a pacemaker, defibrillator or other implanted device in your upper chest, neck or head area you must not use a mask with magnetic clips. The magnets in them can seriously interfere with the operation of your implanted device. There is a warning to this effect nestled deep in the instruction manual somewhere, but other than the the manufacturers do little to highlight this problem.


We had a patient who used one of these masks with a pacemaker and reported to us that, as every morning when he got up he felt really strange in the chest. we discovered that this was because, when he took off his mask, the magnetic strap would pass near his pacemaker and reset it to 120 beats per minute. Needless to say, we took that mask away from him and found an alternative. It can also interfere with hearing aids, cochlear implants and similar. If in doubt be cautious and do some research.

So be careful and spread the word.

I refuse to take the chance and get one.  My wife is the one with a pacemaker
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#2
RE: Magnetic closure masks - Warning
Thanks for the warning!  My Wisp headgear also has magnetic closures.  Not a problem now but there could be a pacemaker in my future.  I just finished a 2 week heart monitor study--not the Holtar kind but a little pack stuck to my chest--not far from the magnets.  I wonder if this could interfere with results....
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#3
RE: Magnetic closure masks - Warning
Thanks for the PSA!

I was getting fitted for a new mask at a new DME, and as the RT was fastening (or had already fastened) the magnetic closure while on my face, he asked "Oh, you don't have a pacemaker, right?" At least he asked. But I do think they should ask before they even bring the mask into the room to try out.
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#4
RE: Magnetic closure masks - Warning
this topic was mentioned to a local cardiologist, he was not concerned at all about the clips. wonder if there's any data out on this?
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#5
RE: Magnetic closure masks - Warning
(01-21-2019, 08:50 AM)dmeRT Wrote: this topic was mentioned to a local cardiologist, he was not concerned at all about the clips.  wonder if there's any data out on this?
https://www.ncbi.nlm.nih.gov/pubmed/18334784

The study was conducted using neodymium magnets much more powerful than common magnets found in most products.

ResMed N-20 masks do come with a magnet warning.


Quote:WARNING
Magnets used in this mask are within ICNIRP guidelines for general public use. Some active medical implants—such as a pacemaker or defibrillator—may be affected by localized magnetic fields. The magnetic clips in this mask should be kept at least 2 in. (50 mm) away from any active medical implant. 
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#6
RE: Magnetic closure masks - Warning
Thanks for the tip. The Wisp does have the optional magnetic clips.

Dave
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#7
RE: Magnetic closure masks - Warning
I see my cardiologist soon and will see what she says. Not a problem at the moment for me.
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#8
RE: Magnetic closure masks - Warning
Just wanted to echo others: The mask comes with a warning about pacemakers and the magnets.
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#9
RE: Magnetic closure masks - Warning
Thanks for the tip and warning, better to be cautious than having problems
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#10
RE: Magnetic closure masks - Warning
It doesn't apply to me, but I do appreciate the warning and public service.
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