Publication details

Analysis of voltage-sensitive dye influence on ECG segment variability

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Year of publication 2006
Type Article in Proceedings
Conference Computers in Cardiology 2006
MU Faculty or unit

Faculty of Medicine

Field Physiology
Keywords voltage-sensitive dye;isolated heart;ECG segments variability;dynamic time warping
Description This paper deals with analysis of changes in ECG signals caused by application of voltage-sensitive dye(VSD), which is necessary part of touch-less recording of electrical activity of the heart by optical way. The dye is injected into perfusate during animal Langendorff experiment. The recorded ECG signals were divided into P-Q segments, QRS complexes, and ST-T segments of selected consecutive heart cycles in each experimental period.Changes of ECG cycles caused by VSD application were studied during experimental phases. The analysis were performed in time and time-frequency domain and compared.
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