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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
Submitted: 2010-05-31 09:45:28
Published: 2010-05-31 09:46:03
Views: 796
DOI: 10.4081/hi.2006.126
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Abstract


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.

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Heart International [eISSN 2036-2579] is an Open Access, peer-reviewed journal published by PAGEPress, Pavia, Italy on behalf of Wichtig Editore, Milan, Italy. All credits and honors to PKP for their OJS.