Kardio Mobile App reportedly not accurate if you have a PM.

I am awaiting implantation of  PM in a few weeks. I've monitored AFib for several years with a Kardia Mobile App. I recently spoke with Customer Service and they told me I cannot do so after implantation. It does  not interfere with the PM, but rather they found it is not accurate and was not approved for use. If you Google Kardia App and PM, there are several articles about this 

Does anyone know a monitor that does work with PM? I'm hoping the Fitbit Sense does as it's different technology.  Their CS says they haven't been told if it does, so wstching. 

Those of you that believe Kardia does work, how do you know it's accurate?

I feel lost to learn I probably won't be able to verify AFib

episodes once implanted.

Thanks for any input.


Lawyers - look away now

by crustyg - 2020-10-12 17:49:03

"Kardia products have not been tested for accuracy with paced-EKG recordings. We do not recommend use of Kardia products for patients with pacemakers because we cannot guarantee the accuracy of the resulting EKG recordings."

I can imagine that might have made sense when Dwight Eisenhower was President and all PMs used unipolar leads.  You have to look *really* hard to see a pacing artefact on an ECG/EKG where modern, bipolar leads are in use.

Imagine if the Weather Channel said 'We cannot guarantee the accuracy of our forecasts or the readings that they are based on."

There are few things in life (i.e. biological systems) that anyone can guarantee.  I'll bet no-one here had a guarantee from their EP doc that their leads and PM would work perfectly.

To answer your question as best I can, there are contributors here who have happily used Apple gadgets or FitBit or Garmin-chest-straps to monitor their heart post PM implantation.  There's no one-size-fits all - for some folk chest straps just don't seem to work and most of the wrist-type devices have some drawback or other.

TA thought...

by Pharnowa - 2020-10-12 21:15:58

Thank you for your response, crustyg!

In looking at your profile, it became so clear that YOU night be the perfect person, at the perfect time, to blend all of your background and invent a home cardiac monitoring device to detect arrhythmia AND be compatible with implanted devices. The stars are aligned. 

Kardia mobile and pacemaker.

by AgentX86 - 2020-10-12 23:01:38

A pacemaker may confuse the software in a Kardia Mobile but it will still take an EKG strip.  IOW, it may not give you an accurate Afib/no Afib diagnosis but it'll still do an EKG strip.  The strip can sill be read manually and it can still be sent to your EP for his information.

While it probably won't be albe to detect AF, you will.  It's pretty easy to see on an EKG strip.

I used mine for a while but it didn't tell me anything new. Since I'm permanently in Aflutter there was nothing to learn.  I gave it to my son who was just diagnosed with AF.


Reading my Kardia manually.

by Pharnowa - 2020-10-12 23:58:26

Thanks for the response AgentX86!

It may be all that's available and that makes sense. 

I'm sorry you are in permanent flutter!

Kardia accuracy

by WazzA - 2020-10-13 08:41:18

Whilst I would NOT rely on my Kardia to diagnose Afib as they recommend not to use it with a PM, it does record my episodes of pac/pvc & tachycardia & the ecg strip corresponds well with any sensation I experience during episodes ie thumps & flip flopping.

My Cardio/EP are quite happy to recieve them especially during the pandemic.

Best wishes

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