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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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  1. K

    Cardiology: What Testing May Be Relevant?

    I did a single cardiopulmonary exercise test, on a bike with Dr. Lapp in Charlotte. (So not two-day.) It demonstrated the very low anaerobic threshold we have and signs of autonomic dysfunction (lower temp during exercise is one finding I recall). I think this test turned out to be important...