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. 2016 Nov 9;6:36534. doi: 10.1038/srep36534

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Copyright © 2016, The Author(s)

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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(A) Electrical and hemodynamic recordings of continuous ultrasonic pacing of the heart at 120 bpm (sinus rhythm: 100 bpm). (B) Electrical and hemodynamic recordings of ultrasound-induced ventricular tachycardia (165 bpm, sinus rhythm 85 bpm) after triggering the acoustic pulse during the relative refractory period. (C) Example of atrioventricular stimulation with a single ultrasonic probe. Phased array transducer enables consecutive stimulation of the RA (yellow pulse) and the RV (red pulse) with a programmed delay (from top to bottom: 0 ms, 40 ms and 120 ms interpulse delay, respectively).