Postural orthostatic tachycardia syndrome
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Postural orthostatic tachycardia syndrome Microchapters |
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Postural orthostatic tachycardia syndrome On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]
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Synonyms and Keywords: postural tachycardia syndrome, POTS
Overview
Postural orthostatic tachycardia syndrome is a poorly understood autonomic disturbance, which manifests as tachycardia upon the patient standing erect from supine or a head-up tilt without underlying orthostatic hypotension. Sympathetic hyperstimulation secondary to a fall in vascular tone and cerebral hypoperfusion leads to symptoms such as inappropriate sinus tachycardia, chronic fatigue and dizziness.
Historical Perspective
Pathophysiology
Causes
Differentiating POTS from Other Disorders
Epidemiology and Demographics
Risk Factors
Natural History, Complications and Prognosis
Diagnosis
History and Symptoms | Physical Examination | Laboratory Findings | Electrocardiogram | Chest X Ray | Echocardiography | Other Diagnostic Studies
Treatment
ACC/AHA/ESC Treatment Guidelines | Medical Therapy | Cost-Effectiveness of Therapy | Future or Investigational Therapies