postural orthostatic tachycardia syndrome


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Postural Orthostatic Tachycardia Syndrome, Postural Tachycardia Syndrome. A form of dysautonomia characterised by orthostatic intolerance and defined by tachycardia when assuming a standing or upright position and a marked decreased in cerebral blood flow and pressure, resulting in fatigue, lightheadedness, syncope, visual defects and disorientation, as well as systemic hypoperfusion, resulting in Raynaud phenomenon, chest pain dyspnea, asthenia and general malaise. Because the symptoms overlap those of generalised anxiety disorder, POTS may be diagnosed as such
Management Increase liquid intake, decrease alcohol, exercise regularly

postural orthostatic tachycardia syndrome

,

POTS

Inability to tolerate a standing position as a result of a sudden increase in heart rate when rising from a seated or recumbent position. It is thought to be one of the dysautonomic syndromes.
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References in periodicals archive ?
Sleep patterns in patients with postural orthostatic tachycardia syndrome.
Comorbidity of postural orthostatic tachycardia syndrome and chronic fatigue syndrome in an Australian cohort.
Several chronic medical conditions are associated with poor capacity to exercise, including fibromyalgia, chronic fatigue syndrome and postural orthostatic tachycardia syndrome, better known as POTS, a syndrome marked by an excessive heart rate and flu-like symptoms when standing or a given level of exercise.