Influence of voltage-sensitive dye on ECG paramaters

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Authors

BLAHA Milan PROVAZNÍK Ivo VESELÝ Zbyněk NOVÁKOVÁ Marie

Year of publication 2004
Type Article in Proceedings
Conference Advances in Medical Signal and Information Processing
MU Faculty or unit

Faculty of Medicine

Citation
Field Physiology
Keywords voltage-sensitive dye; ECG; R-R interval; wavelet transform
Description The paper presents methods for analysis of changes in ECG signals caused by application of voltage-sensitive dye (VSD). The signals were experimentally recorded from isolated guinea pig hearts prior optical recording. The analysis was performed in time and time-frequency space with focus on changes occurring in QRS complex. The influence of VSD was examined in a 70-second interval after VSD application in detail and then periodically for the following ten minutes. The results were compared to those from traditional R-R interval analysis.
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