Key result
Finger plethysmogram comparison to ECG for pulse rate variability accuracy lacks reported quantitative results.
Why the study?
It was uncertain whether peak-to-peak intervals measured on a finger plethysmogram can substitute ECG R-R intervals for spectral analysis of heart rate variability components.
Can peak-to-peak intervals measured on a finger plethysmogram (FPG) accurately substitute for ECG R-R intervals in analyzing heart rate variability parameters?
Comparison
Finger plethysmogram peak-to-peak intervals vs ECG R-R intervals
Design
Observational study
Authors
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FPG intervals may enable accessible HRV monitoring; leaves open prospective validation against ECG before clinical adoption.
Observational
Can peak-to-peak intervals measured on a finger plethysmogram (FPG) accurately substitute for ECG R-R intervals in analyzing heart rate variability parameters?
Finger plethysmography is being evaluated as a potentially easier, noninvasive alternative to ECG for assessing autonomic nervous system activity via heart rate variability in routine settings.
Kageyama et al. (1997) reported an observational. Finger plethysmogram (FPG) vs. Electrocardiogram (ECG) was evaluated on Accuracy of pulse rate variability parameters (RSA and MWSA amplitudes). The abstract describes a study comparing finger plethysmogram to ECG for measuring pulse rate variability parameters, but reports no quantitative results.
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