Why the study?
To discuss the potential and prospects of using the electrocardiogram signal directly for frequency analysis to study cardiac regulation processes.
Direct frequency analysis of the ECG signal may offer advantages over traditional RR series analysis due to its higher sampling rate, facilitating research into cardiac regulation.
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May advance research resolution on cardiac regulation; leaves open any clinical translation or practice change.
This brief review discusses the potential and prospects of using the electrocardiogram (ECG) signal directly for frequency analysis to study the processes of cardiac regulation. The advantage of the ECG signal over the generally accepted frequency analysis of the RR series is its higher sampling rate: 1000 samples per second (sps) for ECG signal vs. 4 sps for RR series. This may be important, first of all, when analyzing the interaction of cardiac regulation processes with other periodic processes in the body, such as the activity of neural circuits in the brain.
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Kiselev et al. (2024) studied this question.
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