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    Created in 2008, Phoenix Rising is the largest and oldest forum dedicated to furthering the understanding of, and finding treatments for, complex chronic illnesses such as chronic fatigue syndrome (ME/CFS), fibromyalgia, long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

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    Questions about heart rate monitoring

    I found this article a useful starting point: http://www.cfidsselfhelp.org/library/pacing-numbers-using-your-heart-rate-to-stay-inside-energy-envelope I used the sum 220 - age x 0.6, I’m 35 so... 220 - 35 x 0.6 = AT of 111 It sounds like your heart is having to work extremely hard for the...
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    Questions about heart rate monitoring

    @-Jessie- thanks so much for the detailed reply! It was reason 2, still have lots to learn!
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    Questions about heart rate monitoring

    @-Jessie- I’ve just bought a used Mio Alpha 2, mastered the flashing lights (my three year old is starting to understand when I need to stop and be still!). Struggling with the audio alert. Wondering if it’s broken. My settings are: Low HR 84 High HR 105 I’m hitting both of these regularly but...