Postural orthostatic tachycardia syndrome
Other Names for this Disease
- Chronic othostatic intolerance
- Postural tachycardia syndrome
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orthostatic intolerance (OI) as their primary symptom (when an excessively reduced volume of blood returns to the heart after an individual stands up from a lying down position). In POTS, OI causes lightheadedness or fainting, and there is also a rapid increase in heartbeat. Anyone can develop POTS at any age, but the majority of individuals affected are women between the ages of 15 and 50. Episodes often begin after a pregnancy, major surgery, trauma, or a viral illness and may increase right before a menstrual period. The exact cause is currently unclear. The symptoms of POTS are typically relieved by lying down again. Therapies are targeted at relieving low blood volume or regulating circulatory problems that could be causing the disorder.Postural orthostatic tachycardia syndrome (POTS) is one of a group of disorders that have
Last updated: 5/3/2011
- NINDS Postural Tachycardia Syndrome Information Page. NINDS. March 12, 2009; http://www.ninds.nih.gov/disorders/postural_tachycardia_syndrome/postural_tachycardia_syndrome.htm. Accessed 5/3/2011.
- The National Institute of Neurological Disorders and Stroke (NINDS) collects and disseminates research information related to neurological disorders. Click on the link to view information on this topic.
- The Autonomic Disorders Consortium has information about Postural orthostatic tachycardia syndrome for patients and their families. This research consortium is funded by the National Institutes of Health.
Learn More About Postural Tachycardia Syndrome (POTS)
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