New Letter to Editor in @hrs_journal --

Life Saving Therapy Inhibition by Phones Containing Magnets

from Greenberg et al at @HenryFordNews

https://www.heartrhythmjournal.com/article/S1547-5271(20)31227-3/fulltext
External magnet application to ICDs will transiently inhibit tachy therapies.

The recently released Apple iPhone 12 has a circular array of magnets to allow attachment to MagSafe accessories.

Could these magnets interact with ICDs?
After IRB approval, the authors demonstrate that an Apple iPhone 12 brought into immediate proximity to Medtronic ICD will suspend tachy therapies (figure).

The ICD community should be aware of this interaction, and include this in pt counseling.

https://www.heartrhythmjournal.com/article/S1547-5271(20)31227-3/fulltext
Thanks to the authors, Joshua Greenberg MD, Mahmoud Altawil MD and @dr_gurjitsingh for sharing this observation.
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