In this post, I link to and excerpt from therapeutic suggestions from Orthostatic intolerance as a potential contributor to prolonged fatigue and inconsistent performance in elite swimmers [PubMed Abstract] [Full-Text HTML] [Full-Text PDF]. BMC Sports Sci Med Rehabil. 2022; 14: 139.Published online 2022 Jul 23. doi: 10.1186/s13102-022-00529-8A.
These therapeutic suggestions also apply to patients who have Postural Orthostatic Tachycardia Syndrome.
All that follows is from the above article.