Postural orthostatic tachycardia syndrome (POTS) has always been thought to be the big deal regarding orthostatic intolerance (increased symptoms while standing or sitting) in chronic fatigue syndrome (ME/CFS). That may be changing with a recent study, “Physiological assessment of orthostatic intolerance in chronic fatigue syndrome“, from Dr. Benjamin Natelson MD … Continue reading Move Over POTS – Hypocapnia May be a Bigger Deal in ME/CFS