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. 2020 Oct 1;202(7):1005–1012. doi: 10.1164/rccm.201912-2341OC

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Copyright © 2020 by the American Thoracic Society

This article is open access and distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives License 4.0 (http://creativecommons.org/licenses/by-nc-nd/4.0/). For commercial usage and reprints, please contact Diane Gern (dgern@thoracic.org).

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Figure 5. — (A) Relationship between peak contraction velocity and peak transdiaphragmatic pressure (Pdi). (B) Relationship between peak contraction velocity and diaphragmatic pressure–time product. (C) Relationship between tissue Doppler imaging–derived maximal relaxation rate and Pdi-derived maximal relaxation rate. (D) Relationship between velocity–time integral and diaphragmatic pressure–time product. PCV = peak contraction velocity; Pdi-MRR = transdiaphragmatic pressure–derived maximal relaxation rate; PTPdi = diaphragmatic pressure–time product; TDI-MRR = tissue Doppler imaging–derived maximal relaxation rate; VTI = velocity–time integral.