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DOI: http://dx.doi.org/10.4081/hi.2006.126

Heart rate variability analysis in postural orthostatic tachycardia syndrome: a case report

Vincenzo Russo, Ilaria De Crescenzo, Ernesto Ammendola, Carolina Pagano, Cristina Savarese, Lucio Santangelo, Raffaele Calabrò


The authors present a case of 36 year old male patient with idiopathic postural orthostatic tachycardia syndrome (POTS) diagnosed during head-up tilt testing. Power spectral analysis of heart rate variability (HRV) during the tilt test revealed that the ratio of low and high frequency powers (LF/HF) increased with the onset of orthostatic intolerance. This analysis confirmed in our patient a strong activation in sympathetic tone.


Postural orthostatic tachycardia syndrome, POTS, Sympathovagal balance, Heart rate variability, HRV

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Submitted: 2010-05-31 09:45:28
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