Title
Comments on "Is accurate recording of the ECG surface Laplacian feasible?" [with reply]
Abstract
The authors comment on the work of D.B. Geselowitz and J. Ferrara (ibid., vol. 47, p. 1138, 2000) who concluded that the signal-to-noise ratio (SNR) of the ECG surface Laplacian (SL) is very low. Averaged over all recording channels on the anterolateral chest and averaged over all six subjects, when the noise level is estimated during the window of the P-R segment, our experimental results indicated that the potential ECG, regular Laplacian ECG, and diagonal Laplacian ECG have SNR of 105.70/spl plusmn/22.49, 33.73/spl plusmn/9.86, and 46.83/spl plusmn/12.84, respectively. This is in contrast with the magnitude of SNR reported in the text of the above paper, which was too low becaase of their choice of a residue window containing noise as well as signal. Geselowitz and Ferrara reply to these comments.
Year
DOI
Venue
2001
10.1109/10.918603
IEEE Transactions on Biomedical Engineering
Keywords
Field
DocType
electrocardiography,accurate recording feasibility,ecg surface laplacian,anterolateral chest,medical signal processing,laplace transforms,low signal-to-noise ratio,residue window,body surface potential mapping,biomedical engineering,helium,voltage,signal to noise ratio,protocols
Diagonal,Reference values,Noise level,Signal-to-noise ratio,Electronic engineering,Mathematics,Laplace operator
Journal
Volume
Issue
ISSN
48
5
0018-9294
Citations 
PageRank 
References 
0
0.34
1
Authors
6
Name
Order
Citations
PageRank
Jie Lian101.01
S. Srinivasa211.08
Wo Chie Tsai300.34
Bin He4852110.09
David B. Geselowitz501.01
Jason Ferrara600.68