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. 1998 Aug 15;82(4):531-4.
doi: 10.1016/s0002-9149(98)00373-7.

Heart rate variability in inappropriate sinus tachycardia

A Castellanos  1 , F Moleiro, S Chakko, H Acosta, H Huikuri, R D Mitrani, R J Myerburg
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Free article

Heart rate variability in inappropriate sinus tachycardia

A Castellanos et al. Am J Cardiol. .
Free article

Abstract

Analysis of heart rate variability in patients with inappropriate sinus tachycardia showed a 24-hour decrease in all temporal and spectral indexes, even after attempted correction to a rate of 75 beats/min. This may have resulted from a global decrease in parasympathetic activity or from a rapid sinus rate produced by other ill-defined mechanisms.

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