• Welcome to Phoenix Rising!

    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.

    To become a member, simply click the Register button at the top right.

hrv

  1. C

    Starting a blog about my experience with a heart rate monitor

    When I started pacing with a monitor in March, I could find remarkably little online about it. I could find general instructions (such as the Workwell ones), but I had lots of specific questions that were not answered. I am starting a blog here to describe my experiences with heart rate...
  2. Hufsamor

    Reduced heart rate variability predicts fatigue severity in individuals with cfs/me

    https://translational-medicine.biomedcentral.com/articles/10.1186/s12967-019-02184-z?fbclid=IwAR2UNiowolEkexmFTsZ7TK8sNQRFpiH7muBmaLPKbWYAaZ-lJ8_zKAZHBNU Conclusions Our findings suggest that ANS dysfunction presenting as increased sympathetic hyperactivity may contribute to fatigue severity...