Study Title: An investigation on the Effect of Extremely Low-Frequency Pulsed Electromagnetic Fields on Human Electrocardiograms (ECG’s)
Year: 2016
No. of Participants: 22
Protocol: The experiment was conducted under single-blind conditions. The root mean square (RMS) value of the recorded data was considered as comparison criteria. Measurements via ECG were taken before and after a short PEMF session.
Results / Findings: Results revealed that the RMS value of the ECG recordings from 18 participants (81.8% of the total participants) increased with a mean value of 3.72%. The increase in ECG voltage levels was then verified by a second experimental protocol with a control exposure. In addition to this, we used hyperbolic T-distributions (HTD) in the analysis of ECG signals to verify the change in the RR interval. It was found that there were small shifts in the frequency-domain signal before and after EMF exposure. This shift has an influence on all frequency components of the ECG signals, as all spectrums were shifted. It is shown from this investigation that a short time exposure to ELF-PEMF can affect the properties of ECG signals. Further study is needed to consolidate this finding and discover more on the biological effects of ELF-PEMF on human physiological processes.
Link to Study: https://pubmed.ncbi.nlm.nih.gov/27886102
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