The Frequency Changes in Electrograms during Ischemia Experiments – Analysis by Matching Pursuit Decomposition
| Authors | |
|---|---|
| Year of publication | 2015 |
| Type | Article in Proceedings |
| Conference | Computing in Cardiology 2015 |
| MU Faculty or unit | |
| Citation | KOLÁŘOVÁ, Jana, Petr DOLEŽAL, Marie NOVÁKOVÁ and Ivo PROVAZNÍK. The Frequency Changes in Electrograms during Ischemia Experiments – Analysis by Matching Pursuit Decomposition. In Alan Murray. Computing in Cardiology 2015. Washington: IEEE Computer Society, 2015, p. 1141-1144. ISSN 2325-8861. |
| Field | Physiology |
| Keywords | frequency components; algorithms Matching Pursuit; Wigner-Ville Distribution |
| Description | The aim of this study was to analyse frequency components in electrograms (EGs) recorded from surface of isolated guinea pig hearts perfused according to Langendorff. Time-frequency analysis is based on algorithms Matching Pursuit and Wigner-Ville Distribution and its combination showing the energy density of the signal. The presented algorithms were tested on a set of electrograms, recorded during ischemia followed by reperfusion. The frequency components changed markedly during global ischemia experiments. |
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