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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 (FM), long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

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attack

  1. SeanQHX1

    Sudden Supraventricular Tachycardia Attacks

    Hi everyone! Since about 1 year and a half into my illness, I've been getting these sudden attacks of what looks like supraventricular tachycardia. I can't say for sure as I haven't seen a cardiologist but contrary to what the doctors claim, they definitelly arn't panic attacks. These 'attacks'...