Postural orthostatic tachycardia syndrome (POTS) is a condition that causes the heart to beat faster than normal when one transitions from sitting or lying down to standing up. Symptoms include a fast heart rate, dizziness and fatigue.[1]
It is a known adverse event associated with COVID-19 vaccines.[2]
POTS, symptoms, treatments. (2020, October 12). Cleveland Clinic. http://archive.today/2021.07.27-093459/https://my.clevelandclinic.org/health/diseases/16560-postural-orthostatic-tachycardia-syndrome-pots ↩︎
5.3.6 Cumulative Analysis of Post-authorization Adverse Event Reports (p. 16, 36). (2021). Public Health and Medical Professionals for Transparency; Pfizer. https://web.archive.org/web/20230714210336/https://phmpt.org/wp-content/uploads/2021/11/5.3.6-postmarketing-experience.pdf ↩︎