> ## Content Index > Fetch the complete content index at: https://www.whiteroseintelligence.com/llms.txt > Use this file to discover other available public pages before exploring further. # Postural orthostatic tachycardia syndrome - URL: https://www.whiteroseintelligence.com/postural-orthostatic-tachycardia-syndrome/ - Published: 1999-01-02T22:25:00.000Z - Updated: 2025-01-03T21:47:29.000Z - Author: Liam Sturgess - Tags: Profiles, #docs, #disease **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.[\[1\]](#fn1) It is a known [adverse event](https://www.whiteroseintelligence.com/Adverse-events-associated-with-COVID-19-vaccines) associated with [COVID-19 vaccines](https://www.whiteroseintelligence.com/COVID-19-vaccine).[\[2\]](#fn2) ## Studies - July 3, 2023: [Rare link between coronavirus vaccines and Long Covid–like illness starts to gain acceptance](http://archive.today/2023.07.04-092931/https://www.science.org/content/article/rare-link-between-coronavirus-vaccines-and-long-covid-illness-starts-gain-acceptance) --- 1. *POTS, symptoms, treatments.* (2020, October 12). Cleveland Clinic. [↩︎](#fnref1) 2. *5.3.6 Cumulative Analysis of Post-authorization Adverse Event Reports* (p. 16, 36). (2021). Public Health and Medical Professionals for Transparency; Pfizer. [↩︎](#fnref2)