Simulation of Body Surface Laplacian Maps during Ventricular Pacing in a 3D Inhomogeneous Heart-Torso Model

D. Wu; K. Ono; H. Hosaka; B. He

doi:10.1055/s-0038-1634263

Methods of Information in Medicine, Inhaltsverzeichnis

Methods Inf Med 2000; 39(02): 196-199
DOI: 10.1055/s-0038-1634263

Original Article

Schattauer GmbH

Simulation of Body Surface Laplacian Maps during Ventricular Pacing in a 3D Inhomogeneous Heart-Torso Model

D. Wu

¹Departments of EECS, Japan

,

K. Ono

³Departments of, Nihon Kohden R&D Center, Japan

,

H. Hosaka

³Departments of, Nihon Kohden R&D Center, Japan

,

B. He

¹Departments of EECS, Japan

²Departments of Bio-engineering, University of Illinois, Chicago, USA

› Institutsangaben

Abstract

Abstract:

A computer simulation study has been conducted to investigate the performance of body surface Laplacian maps (BSLMs) in localizing and imaging spatially separated myocardial electrical events. A cellular automaton model of ventricles simulates cardiac electrical activity using a two-site pacing protocol to induce dual simultaneously active myocardial electrical events. The heart model is embedded in a realistically shaped inhomogeneous volume conductor. The BSLMs are numerically computed from the induced electrical activity in the heart model. The present computer simulation results show that the BSLM can provide better separation and localization of two regional myocardial electrical events as compared with the body surface potential map (BSPM).

Keywords:

Body Surface Laplacian Mapping - Heart Model - Electrocardiography - Computer Modeling

Volltext

Referenzen

REFERENCES
1 He B, Cohen RJ. Body surface Laplacian ECG mapping. IEEE TBME 1992; 39: 1179-91.
2 He B, Parati G, Yin JZ, Cohen RJ. Detecting cardiac activation sequence from body surface Laplacian maps. J Electrocardiology 1992; Suppl: 109-10.
3 Yin JZ, He B, Cohen RJ. A 3-D finite element cardiac model and its application to body surface Laplacian mapping. Comput Cardiol. 1992: 247-50.
4 Ono K, He B, Yin JZ, Cohen RJ. A 3-D computer simulation study of body surface Laplacian mapping: Myocardial infarction. Proc IEEE/EMBS. 1993: 804-5.
5 Wu D, Ono K, Hosaka H, He B. Body surface Laplacian mapping during epicardial and endocardial pacing: A model study. Comput Cardiol. 1996: 725-8.
6 Wei D, Harasawa E. A comparison study between body surface potential and Laplacian in localizing accessory pathways with Wolff-Parkinson-White syndrome. Med Biol Eng Comput 1996; 34 (Suppl. 01) 31-2.
7 Geselowitz DB. On the use of the surface Laplacian to analyze electrocardiograms recorded on the body surface and on the heart surface. Med Biol Eng Comput 1996; 34 Suppl 1 39-40.
8 Oostendorp TF, van Oosterom A. The surface Laplacian of the potential: Theory and application. IEEE TBME 1996; 43: 394-403.
9 He B, Wu D. A Bioelectric Inverse Imaging Technique Based on Surface Laplacians. IEEE TBME 1997; 44: 529-38.
10 Johnston PR. The Laplacian inverse problem of electrocardiography: an eccentric spheres study. IEEE TBME 1997; 44: 539-48.
11 Ono K, Hosaka H, He B. A Comparison of Body Surface Laplacian and Potential Maps During Paced Ventricular Activation. Method Inform Med 1997; 36: 336-8.
12 Zhang S, Xia L, Lu W. Computer simulation of body surface Laplacian maps based on realistic geometry inhomogeneous volume conductor models. Abstracts of Int Sci Mtg on Electromag in Med. 1997: 44.
13 Wu D, Schablowski M, Ono K, Hosaka H, He B. A Simulation Study of Laplacian ECG in a Realistically Shaped Torso Volume Conductor: Myocardial Infarction. Bioelectrochem Bioenergetics 1998; 47: 231-5.
14 Wang Y, Wu D, He B. On the Algorithm for Computing Body Surface Laplacians in an Inhomogeneous Volume Conductor of Arbitrary Shape. IEEE TBME 1998; 45: 131-3.
15 He B. Theory and applications of body surface Laplacian ECG mapping. IEEE Eng in Med and Bio 1998; 17: 102-9.
16 Barnard AC, Duck IM, Lynn MS, Timlake WP. The application of electromagnetic theory to electrocardiology. II Numerical solution of the integral equations. Biophys J 1967; 7: 463-91.