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POTS due to excessive venous pooling in an enlarged inferior vena cava

 2012-08-01
Clinical autonomic research : official journal of the Clinical Autonomic Research Society
PMID: 22314777
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Postural tachycardia syndrome (POTS) is a form of orthostatic intolerance characterized by a marked increase in heart rate within the first 10 min of head-up tilt (HUT). We present a patient whose enlarged inferior vena cava that appears to be a contributing mechanism to her POTS and presyncopal symptoms.

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