Heart Rate Variability Analysis to Investigate Autonomic Nervous System Activity among the Three Premature Ventricular Complex Circadian Types: An Observational Study.

Acta Med Philipp · 2025 · PMC11779668 · PMID 39897136

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Subjects of independent-type PVC in this study showed a trend of higher resting heart rate compared to fast- and slow-type PVC, which indicated the high sympathetic drive. 20 , 21 Patients with PVC were known to have higher sympathetic nervous activity than normal people. 22 However, spectral analysis showed the reduced LF component which characterizes decreased sympathetic tone variability in the heart.

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