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Nearly 5 months since my AFIB ablation. Feeling stronger and going longer on runs/bike rides. I had daily episodes of AFIB prior to the surgery, but zero since the procedure in June; life-changing improvement. HR is still low (resting 40 bpm) and still on Dofetilide (Tikosyn)…which i’m hoping explains the low (20-25 ms) HRV.
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I’ve noted that I have some
high QTC readings. They are shown on the associated graph with an O. I wore my device overnight whilst sleeping and noted my average QTC to be 442ms. The peak value was 511ms.1 Comment -
I am hoping you can tell me whether ectopic beats are excluded from the average value given for HRV? I can see that HRV is higher for me in strips where an ectopic is evident though I do have other occasional high values where I have no ectopics. I think that ectopics are causing me to see a higher score than perhaps expected.
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Hi Amo, Ectopic beats are not excluded during the calculation of HRV currently. This can result in higher values of HRV in those sessions with ectopic beats.
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Hi, just got my Frontier X and used it for my Tempo cycle into work. Happy with the data. Is it recommended to wear the device during rest (to possibly get a users baseline metrics) as well or only for exercise sessions?
Thanks Fidel Gonzalez
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Hello, during runs (especially above 130-140bpm) I see high QTc values (>500ms) which is at the “Risk” region. Does “Risk” means that it it something that needs to be checked, or it is a normal calculation margin of error on high pulses? I dont know if anyone else see similar patterns.
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If your QT gets too long you could be at risk of arrhythmia. QTc is QT corrected for Heart rate, so if you’re getting that I’d definitely get it checked out, although there are individuals who have a slightly prolonged QTc for no apparent reason. Better be safe though.
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I can’t view the other comment, but the QTc prolongation that you describe is very likely due to an under-correction for heart rate. QT is exquisitely rate-dependent and shortens as heart rate increases. However, due to the QT rate-dependence, a formula is used to approximate the QTc (QT corrected) at a reference heart rate, usually 60 bpm in…Read More
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I forgot to ask, are these readings anything to be overly concerned about?