A new hybrid electro-numerical model of the left ventricle

Abstract The paper presents a new project of a hybrid numerical–physical model of the left ventricle. A physical part of the model can be based on electrical or hydraulic structures. Four variants of the model with numerical and physical heart valves have been designed to investigate an effect of a...

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Bibliographic Details
Published in:Computers in biology and medicine 2008-09, Vol.38 (9), p.979-989
Main Authors: Kozarski, Maciej, Ferrari, Gianfranco, Zieliński, Krzysztof, Górczyńska, Krystyna, Pałko, Krzysztof J, Tokarz, Arkadiusz, Darowski, Marek
Format: Article
Language:English
Subjects:
Active variable capacitors
Biomedical Engineering
Computer Simulation
Coronary Circulation
Electro-numerical impedance transformer
Electronics, Medical
Electrophysiology
Humans
Hybrid circulatory model
Hybrid numerical–physical model
Internal Medicine
Models, Cardiovascular
Other
Time-varying elastance
Ventricular function
Ventricular Function, Left
Voltage-controlled current source
Voltage-controlled voltage source
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Summary:Abstract The paper presents a new project of a hybrid numerical–physical model of the left ventricle. A physical part of the model can be based on electrical or hydraulic structures. Four variants of the model with numerical and physical heart valves have been designed to investigate an effect of a heart assistance connected in series and in parallel to the natural heart. The LabVIEW TM real time environment has been used in the model to increase its accuracy and reliability. A prototype of the hybrid electro-numerical model of the left ventricle has been tested in an open loop and closed loop configuration.
ISSN:0010-4825
1879-0534
DOI:10.1016/j.compbiomed.2008.07.001