Postural orthostatic tachycardia syndrome: Difference between revisions
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==[[Postural orthostatic tachycardia syndrome historical perspective|Historical Perspective]]== | ==[[Postural orthostatic tachycardia syndrome historical perspective|Historical Perspective]]== | ||
==Pathophysiology== | ==[[Postural orthostatic tachycardia syndrome pathophysiology|Pathophysiology]]== | ||
==Differentiating POTS from Other Disorders== | ==Differentiating POTS from Other Disorders== | ||
Revision as of 14:45, 12 September 2012
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Postural orthostatic tachycardia syndrome Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Postural orthostatic tachycardia syndrome On the Web |
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American Roentgen Ray Society Images of Postural orthostatic tachycardia syndrome |
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Directions to Hospitals Treating Postural orthostatic tachycardia syndrome |
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Risk calculators and risk factors for Postural orthostatic tachycardia syndrome |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]
For patient information click here
Synonyms and Keywords: postural tachycardia syndrome, POTS
Overview
Historical Perspective
Pathophysiology
Differentiating POTS from Other Disorders
Risk Factors
Natural History, Complications, Prognosis
Diagnosis
Laboratory Studies
Tilt Table Testing
Treatment
Dietary Changes
- Alcohol has been shown to drastically exacerbate all types of orthostatic intolerance due to its vasodilation and dehydration properties. It should be avoided whenever possible because of its adverse effects and its interactivity with many of the medications prescribed to POTS patients.
- Caffeine helps some POTS patients due to its stimulative effects, however, other patients report a worsening of symptoms with caffeine intake. Each patient should experiment to determine whether caffeine helps or hurts his or her condition.
- Diets high in carbohydrates have been connected to impaired vasoconstrictive action. Eating foods with lower carbohydrate levels can mildly improve POTS symptoms.
- Eating frequent, small meals can reduce gastrointestinal symptoms associated with POTS by requiring the diversion of less blood to the abdomen.
- Patients diagnosed with POTS will usually be advised to maintain a high sodium diet in order to augment the effects of their medication regimen, especially if that regimen includes fludrocortisone. Patients should also drink plenty of fluids, with a recommended intake of at least two liters per day and as much as 500 milliliters every two hours throughout the day.
Physical Therapy
POTS symptoms can be worsened by postural asymmetries, restrictions in mobility, and areas of adverse mechanical tension in the nervous system. These physical abnormalities can be relieved with gentle manual therapies including neural mobilization (or neural tension work), myofascial release, and cranio-sacral therapy.
External Body Pressure
Pressure garments can reduce symptoms associated with orthostatic intolerance by constricting blood pressures with external body pressure. Compression hose and anti-embolism stockings, both knee and thigh-high, provide relief for many patients. For especially severe cases, military anti-shock trousers and anti-gravity suits, or g-suits can be helpful but also limiting.
Exercise
Exercise is very important for maintaining muscle strength and avoiding deconditioning. Though many POTS patients report difficulty exercising, some form of exercise is essential to controlling symptoms and eventually, improving the condition.