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In Vivo acoustic radiation force impulse imaging of the cardiac cycle

Publication ,  Journal Article
Hsu, SJ; Bouchard, RR; Dumont, DM; Wolf, PD; Trahey, GE
Published in: Proceedings - IEEE Ultrasonics Symposium
December 1, 2006

In vivo ARFI images of an exposed canine heart were acquired through multiple cardiac cycles. The matched eletrocardiogram (ECG) was also recorded. Sequences with the radiation force pulse amplitude set to zero were also acquired to measure potential artifacts within the ARFI images. A radiofrequency ablation was performed on the pericardial surface of the left ventricular free wall, creating a lesion that did not vary in stiffness during a heartbeat though continued to move physiologically with the rest of the heart. The ARFI images showed a semispherical, stiffer region at the ablation site that displaced and varied less throughout entire cardiac cycle. When registered with the ECG, the changing displacements within the sequence of ARFI images reflect the expected stiffness changes of the myocardium during the entire cardiac cycle. The results show great promise for realtime cardiac ARFI imaging. © 2006 IEEE.

Duke Scholars

Published In

Proceedings - IEEE Ultrasonics Symposium

DOI

ISSN

1051-0117

Publication Date

December 1, 2006

Volume

1

Start / End Page

756 / 759
 

Citation

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Hsu, S. J., Bouchard, R. R., Dumont, D. M., Wolf, P. D., & Trahey, G. E. (2006). In Vivo acoustic radiation force impulse imaging of the cardiac cycle. Proceedings - IEEE Ultrasonics Symposium, 1, 756–759. https://doi.org/10.1109/ULTSYM.2006.170
Hsu, S. J., R. R. Bouchard, D. M. Dumont, P. D. Wolf, and G. E. Trahey. “In Vivo acoustic radiation force impulse imaging of the cardiac cycle.” Proceedings - IEEE Ultrasonics Symposium 1 (December 1, 2006): 756–59. https://doi.org/10.1109/ULTSYM.2006.170.
Hsu SJ, Bouchard RR, Dumont DM, Wolf PD, Trahey GE. In Vivo acoustic radiation force impulse imaging of the cardiac cycle. Proceedings - IEEE Ultrasonics Symposium. 2006 Dec 1;1:756–9.
Hsu, S. J., et al. “In Vivo acoustic radiation force impulse imaging of the cardiac cycle.” Proceedings - IEEE Ultrasonics Symposium, vol. 1, Dec. 2006, pp. 756–59. Scopus, doi:10.1109/ULTSYM.2006.170.
Hsu SJ, Bouchard RR, Dumont DM, Wolf PD, Trahey GE. In Vivo acoustic radiation force impulse imaging of the cardiac cycle. Proceedings - IEEE Ultrasonics Symposium. 2006 Dec 1;1:756–759.

Published In

Proceedings - IEEE Ultrasonics Symposium

DOI

ISSN

1051-0117

Publication Date

December 1, 2006

Volume

1

Start / End Page

756 / 759