@adytum_official: When you stand, blood flow to your brain can drop even when heart rate and blood pressure look normal. In a study of 429 ME/CFS patients, 82% of those with normal vitals still crossed into an abnormal drop, and everyone whose heart raced into POTS range did too. A separate small study tied it to thinking: people got about 8 in 10 on a memory task lying down, but about 3 in 10 standing up. Honest notes: these were ME/CFS patients, not a general sample, the memory study was tiny (about a dozen people), and this brain-blood-flow test isn’t standard yet. I think it should be. That part’s my opinion. Not a doctor, and this isn’t medical advice. Sources: van Campen CLMC, et al. Clin Neurophysiol Pract. 2020;5:50-58. PMID 32140630 Stewart JM, et al. Hypertension. 2015;65(3):636-643. PMID 25510829 Medow MS, et al. Front Physiol. 2014;5:234. PMID 25002851 #pots #potssyndrome #potsawareness #tilttabletest

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Thursday 09 July 2026 01:40:51 GMT