Related Experiment Videos
Observer variations in short period spectral analysis of heart rate variability
L J van Schelven1, P L Oey, I H Klein
1Department of Biomedical Engineering, Utrecht, The Netherlands.
Journal of the Autonomic Nervous System
|March 4, 2000
Abstract:
25% of the corresponding mean LF/HF ratio. The smallest interobserver variations were found for the 'fixed frequency' method. The data showed that it is advantageous to select the 3-min ECG periods but not to select the frequency regions. Selection of the latter led to an increase in interobserver variation. The results of this study give a realistic impression of the intrasubject and interobserver variation to be expected when measuring the LF/HF ratio. This variation is considerable.