NDLI: Effect of intracavitary probe size on the accuracy of inverse endocardial potential estimates

Content Provider	IEEE Xplore Digital Library
Author	Bender, E.N. Olson, L.G. Throne, R.D. Windle, J.R.
Copyright Year	2004
Abstract	We simulated the efects of probe size on the accuracy of an intracavitary probe. Measured data was used ro find the potentials over the entire endocardial surjuce. These ¿original I¿ endocardial potentials were used with two models, one with a standard probe and the other with a probe half as large, to compute corresponding probe potentials. Random Gaussian noise was added to these ¿zero-noise¿ probe potentials. Using JTrst-order Tikhonov regularization, the endocardial potentials for both models were estimated. Making the probe smaller had very little effect on the CC between the original endocardial signals and the estimated endocardial signals. These results suggest that even a probe half as large as that currently used clinically could be eflectively used for patient treatment, so long as higher order regularization methods are employed.
Starting Page	581
Ending Page	584
File Size	712687
Page Count	4
File Format	PDF
ISBN	0780389271
DOI	10.1109/CIC.2004.1443005
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-09-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Probes Finite element methods Catheters Medical simulation Gaussian noise Medical treatment Solid modeling Rhythm Electrocardiography Robustness
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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