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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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tachycardia

  1. nerd

    Cerebral blood flow remains reduced after tilt testing in myalgic encephalomyelitis/chronic fatigue syndrome patients

    Published: 23 September 2021 Authors: C. Linda M.C. van Campen, Peter C. Rowe, Frans C. Visser doi: 10.1016/j.cnp.2021.09.001 Highlights Abstract
    • nerd
    • Thread
    • cerebral blood flow frans visser heart rate linda van campen orthostatic intolerance peter rowe pots tachycardia tilt test
    • Replies: 16
    • Forum: Latest ME/CFS Research
  2. 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'...
  3. kisekishiawase

    Tachycardia palpitation attack after sleep?

    I want to collect information about this condition since more than 15 years ago when it started. Its weird when i just woken up after sleeping(still on bed) i get this attack (tachy, palp) for some minutes. sometimes short sometimes long. And its not because of a dream. Im in relax state...
  4. soxfan

    Heart beat feeling like it is pounding very hard...feeling and hearing each beat

    I have had this problem for a while but it seems to be getting much worse. I think it is probably due to anxiety but not sure. Whenever I lay down afternoon or at night I can hear and feel my heart beating. It feels as though there is a sledge hammer in my chest pounding back and forth. It...