NDLI: Implementation of real-time isopotential map in epicardial mapping system

Content Provider	IEEE Xplore Digital Library
Author	Yanlei Wang Cuiwei Yang Jianguo Yu
Copyright Year	2014
Description	Author affiliation: Dept. of Electron. Eng., Fudan Univ., Shanghai, China (Yanlei Wang; Cuiwei Yang; Jianguo Yu)
Abstract	Isopotential map of cardiac are commonly used to study the spread of excitation in the heart. In this study, we propose a method for isopotential map construction used in realtime epicardial mapping. Firstly, heart contour was extracted from canine CT images and reconstructed to a three-dimensional mesh model of the heart. Secondly, OpenGL and MFC were used to display the 3D model. Then the positions of electrodes on the model were calculated semi-automatically using a central angle dividing method. When new data sampled by Epicardial Mapping System was transferred to the computer and filtered by an adaptive least mean square filter, Kriging interpolation was employed to calculate potentials at unmeasured region. The method was theoretical feasible in animal experiments. Results indicated that isopotential maps in this paper could specifically reflect the propagation process of excitement during both sinus rhythm and complex arrhythmia for instance atrial fibrillation.
Starting Page	94
Ending Page	99
File Size	573500
Page Count	6
File Format	PDF
e-ISBN	9781479958382
DOI	10.1109/BMEI.2014.7002750
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Heart Solid modeling Interpolation Electric potential Three-dimensional displays electrode location epicardial mapping Computational modeling 3D model isopotential map
Content Type	Text
Resource Type	Article

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