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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Veröffentlicht in:	Computers in biology and medicine 2008-09, Vol.38 (9), p.979-989
Hauptverfasser:	Kozarski, Maciej, Ferrari, Gianfranco, Zieliński, Krzysztof, Górczyńska, Krystyna, Pałko, Krzysztof J, Tokarz, Arkadiusz, Darowski, Marek
Format:	Artikel
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	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