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. 2022 Feb 24;13(3):358. doi: 10.3390/mi13030358

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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The pressure waveforms of different heart rates in the two auxiliary strategies; LVP-variable: left ventricular pressure with variable-speed assist; LAP-variable; left atrial pressure with variable-speed assist; AOP-variable: aortic pressure with variable-speed assist; LVP-constant with variable-speed assist: Left ventricular pressure with constant-speed assistance; LAP-constant: left atrial pressure with constant-speed assistance. (a) heart rate = 60 bpm, (b) heart rate = 75 bpm, (c) heart rate = 100 bpm, (d) heart rate = 120 bpm.