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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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  1. W

    POTS symptoms / diagnosis

    Hi all, Just wondering if anyone has info about POTS diagnosis (or similar conditions)? I saw a cardiologist about a year ago and had an ECG, 24 hour monitor and stress test - all were normal. I have had extreme dizziness / imbalance / feeling like I will faint when walking / standing /...