Three-Dimensional Electrogram in Spherical Coordinates: Application to Ischemia Analysis

Three-Dimensional Electrogram in Spherical Coordinates: Application to Ischemia Analysis

WoS Article

Three-dimensional electrogram was used for analysis of ischemia manifestation in isolated hearts. Three parameters based on spherical coordination system were used in this study amplitude of electrical heart vector, its azimuth and elevation. The parameters were presented as a trend. This approach reflected ischemic changes in a manner which can be easily observed and evaluated. Ischemia was analysed in seven isolated hearts of New Zealand white rabbits. It was found that (a) ischemia changes heart electric vector, (b) ischemic preconditioning has a protective effect, and (c) both of these findings can be clearly observed by the proposed method.

Three-dimensional electrogram was used for analysis of ischemia manifestation in isolated hearts. Three parameters based on spherical coordination system were used in this study amplitude of electrical heart vector, its azimuth and elevation. The parameters were presented as a trend. This approach reflected ischemic changes in a manner which can be easily observed and evaluated. Ischemia was analysed in seven isolated hearts of New Zealand white rabbits. It was found that (a) ischemia changes heart electric vector, (b) ischemic preconditioning has a protective effect, and (c) both of these findings can be clearly observed by the proposed method.

Three dimensional electrogram; Vectorcardiogram; Spatiocardiogram; Vectorcardiography parameters; Myocardial ischemia

Three dimensional electrogram; Vectorcardiogram; Spatiocardiogram; Vectorcardiography parameters; Myocardial ischemia

JANOUŠEK, O.; KOLÁŘOVÁ, J.; NOVÁKOVÁ, M.; PROVAZNÍK, I.

2011

28.05.2010

AV ČR

Praha

0862-8408

PHYSIOLOGICAL RESEARCH

59

Suppl 1

Czech Republic

S51

S58

8