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  • I am somewhat confused by Heart Rate Variation HRV. On your description you say “the higher the better” however I would think that a high HRV suggests that an irregular heart beat thus meaning arrythmia. I have found exactly this with some surprising results, a high HRV leading to a modest arrythmia and a low one leading to a modest sinus rythym.…Read More

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  • I have just read your advice on Afib. I was diagnosed with Paroxymal at the beginning of the year from a NHS 72 hour heart monitor follow a stroke. As an ex athlete now in my 70s who ran 13 marathon during the 80s and 90s breaking the 3 hour barrier at London in 1987. I understand from my consultant cardiologist that this disorder is very common…Read More

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    • You can’t use the apps recommendations for your situation. I suggest you read the book “Haywire heart” if you want to learn more about the athletes heart and common conditions. It helped me understand my condition. I don’t wear the X2 strap for training purposes, i wear it like a Holter to see how my heart is doing on and off my rides. It actually…Read More

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