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What is POTS?

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Postural orthostatic tachycardia syndrome is a disorder with the primary symptom of orthostatic intolerance, reports MedicineNet. After a person with POTS stands from a horizontal position, only a reduced amount of blood returns to the heart, creating a feeling of lightheadedness, rapid heartbeat and possibly fainting.

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Additional POTS symptoms may include visual changes, chest pain, throbbing of the head, trouble concentrating and weakness, notes the Rare Diseases Clinical Research Network. Treatment for POTS focuses on the relief of low blood pressure and controlling circulation issues. Treatment includes orthostatic exercise, medication, fludrocortisones and drinking water. While anyone can develop POTS, the condition develops more often in younger women.

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