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TECHNICAL PAPERS

Computational Modeling of Left Heart Diastolic Function: Examination of Ventricular Dysfunction

[+] Author and Article Information
Jack D. Lemmon, Ajit P. Yoganathan

School of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0535

J Biomech Eng 122(4), 297-303 (Mar 22, 2000) (7 pages) doi:10.1115/1.1286559 History: Received September 13, 1999; Revised March 22, 2000
Copyright © 2000 by ASME
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References

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Figures

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Schematic of: (a) left heart model showing chamber fiber architecture and pulmonary inflow to the atrium, and (b) left atrial geometry
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Input functions for fiber resting-length left heart: normal and diseased cases
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Transmitral velocity profiles for normal and diseased cases
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Velocity profiles in the ventricular inflow tract over time for: (a) the normal case, (b) delayed ventricular relaxation, and (c) delayed ventricular relaxation with increased ventricular stiffness
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Velocity fields for the left heart model at 100 ms for: (a) the normal case, (b) delayed ventricular relaxation, and (c) delayed ventricular relaxation with increased ventricular stiffness
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Inflow velocity as a function of space and time for: (a) normal, (b) delayed LV relaxation, and (c) delayed LV relaxation with increased stiffness

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