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Time-variant left ventricle models for intracardiac impedance analysis Cover

Time-variant left ventricle models for intracardiac impedance analysis

Journal of Electrical Bioimpedance
Volume 15 (2024): Issue 1 (January 2024)
By: Daniel Voss,  Clara Wemmer,  Steffen Leonhardt and  Marian Walter  
Open Access
|Oct 2024

Figures & Tables

Figure 1:

The four ventricle models. The blood is displayed in red and the ventricle is semitransparent red. The surrounding lung tissue is not shown.
The four ventricle models. The blood is displayed in red and the ventricle is semitransparent red. The surrounding lung tissue is not shown.

Figure 2:

LVV during one cardiac cycle. The first three models are simulated for volume increments of 5 mL, while the physiological model is only available for the 5 indicated volumes.
LVV during one cardiac cycle. The first three models are simulated for volume increments of 5 mL, while the physiological model is only available for the 5 indicated volumes.

Figure 3:

Simulated admittances show a non-linear correlation with the LVV. Admittance magnitude (top) and admittance phase (bottom).
Simulated admittances show a non-linear correlation with the LVV. Admittance magnitude (top) and admittance phase (bottom).

Figure 4:

Simulated admittances correlate strongly with the LVV throughout a cardiac cycle. Admittance magnitude (top) and admittance phase (bottom).
Simulated admittances correlate strongly with the LVV throughout a cardiac cycle. Admittance magnitude (top) and admittance phase (bottom).
DOI: https://doi.org/10.2478/joeb-2024-0015 | Journal eISSN: 1891-5469
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Language: English
Page range: 130 - 136
Submitted on: May 27, 2024
Published on: Oct 5, 2024
Published by: University of Oslo
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Keywords:
simulation,
FEM,
heart geometry,
left ventricular volume,
intracardiac impedance
Related subjects:
Engineering,
Bioengineering and biomedical engineering,
Biomedical electronics,
Life sciences,
Biophysics,
Medicine,
Biomedical engineering,
Physics,
Spectroscopy and metrology

© 2024 Daniel Voss, Clara Wemmer, Steffen Leonhardt, Marian Walter, published by University of Oslo
This work is licensed under the Creative Commons Attribution 4.0 License.

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