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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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betsy keller

  1. Pyrrhus

    Prof. Betsy Keller Video: PEM – strategies for determining and managing the cardinal symptom of ME/CFS

    Prof. Betsy Keller Video: PEM – strategies for determining and managing the cardinal symptom of ME/CFS This was a presentation at a recent Swedish scientific conference:
  2. Pyrrhus

    Cardiopulmonary Exercise Test (CPET) Methodology for Assessing Exertion Intolerance in ME/CFS (Stevens et al., 2018)

    I don't think this paper has been posted yet, but it's a good review of the studies that look at CardioPulmonary Exercise Tests (CPET) to document PEM/exertion intolerance in ME. Cardiopulmonary Exercise Test Methodology for Assessing Exertion Intolerance in ME/CFS (Stevens et al., 2018)...