Heart rate variability in inappropriate sinus tachycardia

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 sin...

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Bibliographic Details
Published in:The American journal of cardiology 1998-08, Vol.82 (4), p.531-534
Main Authors: Castellanos, Agustin, Moleiro, Federico, Chakko, Simon, Acosta, Helbert, Huikuri, Heikki, Mitrani, Raul D., Myerburg, Robert J.
Format: Article
Language:English
Subjects:
Adult
Biological and medical sciences
Cardiac arrhythmia
Cardiac dysrhythmias
Cardiology
Cardiology. Vascular system
Electrocardiography, Ambulatory - methods
Female
Heart
Heart Rate
Humans
Male
Medical research
Medical sciences
Middle Aged
Tachycardia, Sinus - diagnosis
Tachycardia, Sinus - physiopathology
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Summary: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.
ISSN:0002-9149
1879-1913
DOI:10.1016/S0002-9149(98)00373-7