What is the clinical evidence from this study?

Study design: Review. Population: Heart rate variability.

What question did this study set out to answer?

To establish standards for measuring heart rate variability and explore its physiological and clinical implications.

April 22, 2026Open Access

Heart rate variability: Standards of measurement, physiological interpretation, and clinical use

Key Result

Standardized time-domain and frequency-domain methods, including the recommendation of 5-minute short-term and 24-hour long-term recordings, were established for measuring heart rate variability to ensure reproducibility in clinical research.

Key Points

To establish standards for measuring heart rate variability and explore its physiological and clinical implications.
Review of existing literature on heart rate variability measurement and interpretation
Analysis of clinical applications in diverse health conditions
Discussion of measurement techniques and their relevance to physiological systems
Standardized methods improve the reliability of heart rate variability assessments.
Physiological interpretations aid in understanding autonomic function and stress responses.
Clinical applications show promise in predicting outcomes in cardiac and non-cardiac conditions.

PICO

Population

Heart rate variability

Limitations

Very low frequency (VLF) assessed from short-term recordings is a dubious measure and should be avoided.
Physiological mechanisms responsible for LF and HF power components cannot be considered stationary during a 24-hour period.
Automatic filters for RR interval editing can introduce errors and should not replace manual editing.
Non-linear methods currently lack standards and require further technological advances before clinical application.

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Authors

Marek Malik

J. Thomas Bigger

A. John Camm

Journals

European Heart Journal

Actions

Institutions

St George's, University of London

IRCCS Istituto Auxologico Italiano

References and Citations

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Discussion

Cite this study

Malik et al. (Fri,) conducted a review in Heart rate variability. Standardized time-domain and frequency-domain methods, including the recommendation of 5-minute short-term and 24-hour long-term recordings, were established for measuring heart rate variability to ensure reproducibility in clinical research.

www.synapsesocial.com/papers/69e8e6ec5169eb7de91c920c — DOI: https://doi.org/10.1093/oxfordjournals.eurheartj.a014868

Also consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

Vagal Control of the Heart: Experimental Basis and Clinical Implications· 1994 · 280 citations
Continuous 24-hour assessment of the neural regulation of systemic arterial pressure and RR variabilities in ambulant subjects.· 1990 · 729 citations
Power Spectrum Analysis of Heart Rate Fluctuation: A Quantitative Probe of Beat-to-Beat Cardiovascular Control· 1981 · 346 citations
Cardiac vagal activity, myocardial ischemia and sudden death· 1995 · 45 citations
Heart rate variability and clinical cardiology.

Heart rate variability: Standards of measurement, physiological interpretation, and clinical use

Key Result

Key Points

PICO

Limitations

Citation Network

Connected Papers

Discussion

Social Feed

Authors

Journals

Actions

Institutions

References and Citations

Citation Network

Connected Papers

Discussion

Cite this study

Also consider