ACR CONVERGENCE 2020—Myalgic encephalomyelitis/chronic fatigue syndrome, postural orthostatic tachycardia syndrome (POTS) and mast cell activation syndrome were the topics of the day in the ever-popular Curbside Consults session in November 2020. POTS An anxious woman with a chronic headache and constant myofascial pain in the neck and upper back, assorted gastrointestinal symptoms, chronic severe fatigue,…