Powerpoint

Deconvolution: A Novel Signal Processing Approach for
Determining Activation Time From Fractionated
Electrograms and Detecting Infarcted Tissue
by Willard S. Ellis, Susan J. Eisenberg, David M. Auslander, Michael W. Dae, Avideh
Zakhor, and Michael D. Lesh
Circulation
Volume 94(10):2633-2640
November 15, 1996
Copyright © American Heart Association, Inc. All rights reserved.
Fifty-millisecond segments of randomly selected electrograms recorded above simulated
tissues.
Willard S. Ellis et al. Circulation. 1996;94:2633-2640
Copyright © American Heart Association, Inc. All rights reserved.
Details of an 80-ms segment of a fractionated electrogram recorded at a height of 100 μm above
a heterogeneous tissue with correlation dimension 0.591.
Willard S. Ellis et al. Circulation. 1996;94:2633-2640
Copyright © American Heart Association, Inc. All rights reserved.
One hundred twenty-eight–millisecond segments of electrograms recorded in vivo.
Willard S. Ellis et al. Circulation. 1996;94:2633-2640
Copyright © American Heart Association, Inc. All rights reserved.
Receiver operating curve for fraction of electrogram power unexplained by deconvolution as a
detector of infarcted tissue.
Willard S. Ellis et al. Circulation. 1996;94:2633-2640
Copyright © American Heart Association, Inc. All rights reserved.
Schematic of activation of a sheet of tissue used for convolution equation calculations.
Willard S. Ellis et al. Circulation. 1996;94:2633-2640
Copyright © American Heart Association, Inc. All rights reserved.