Electro-optical recording system for myocardial ischemia studies in animal experiments

Author

Provaznik, I. ; Novakova, M. ; Vesely ; Blaha, M. ; Chmelar, M.

Author_Institution

Brno Univ. of Technol., Czech Republic

fYear

2003

fDate

21-24 Sept. 2003

Firstpage

573

Lastpage

576

Abstract

Myocardial ischemia is the most common cause of death in the developed countries. The most severe manifestation is sudden death due to electrical instability, terminating in ventricular fibrillation or heart arrest. This study is based on experiments in which electrograms and monophasic action potentials are recorded from isolated guinea pig hearts perfused according to Langendorff during various phases of acute ischemia and reperfusion. The data are then processed by a wavelet transform in order to obtain complex-valued time-frequency patterns.

Keywords

bioelectric potentials; diseases; electro-optical devices; electrocardiography; haemorheology; medical signal processing; time-frequency analysis; wavelet transforms; animal experiments; complex-valued time-frequency patterns; electrical instability; electro-optical recording system; electrograms; heart arrest; isolated guinea pig hearts; monophasic action potentials; myocardial ischemia; reperfusion; sudden death; ventricular fibrillation; wavelet transform; Animals; Fluorescence; Heart; Ischemic pain; Muscles; Myocardium; Optical fiber cables; Optical recording; Optical sensors; Time frequency analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Computers in Cardiology, 2003

ISSN

0276-6547

Print_ISBN

0-7803-8170-X

Type

conf

DOI

10.1109/CIC.2003.1291220

Filename

1291220