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Time-variant left ventricle models for intracardiac impedance analysis

Daniel Voss

Daniel Voss

Chair for Medical Information Technology, RWTH Aachen UniversityAachen, Germany
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Voss, Daniel
, 
Clara Wemmer

Clara Wemmer

Chair for Medical Information Technology, RWTH Aachen UniversityAachen, Germany
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Wemmer, Clara
, 
Steffen Leonhardt

Steffen Leonhardt

Chair for Medical Information Technology, RWTH Aachen UniversityAachen, Germany
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Leonhardt, Steffen
 and 
Marian Walter

Marian Walter

Chair for Medical Information Technology, RWTH Aachen UniversityAachen, Germany
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Walter, Marian
  
Oct 05, 2024
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Published Online: Oct 05, 2024
Page range: 130 - 136
Received: May 27, 2024
DOI: https://doi.org/10.2478/joeb-2024-0015
Keywords
© 2024 Daniel Voss et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

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).
Language:
English
Publication timeframe:
1 times per year
Journal Subjects:
Engineering, Bioengineering and Biomedical Engineering, Biomedical Electronics, Life Sciences, Biophysics, Medicine, Biomedical Engineering, Physics, Spectroscopy and Metrology
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