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. 2013 Mar 1;591(5):1171-3; discussion 1175.
doi: 10.1113/jphysiol.2012.249557.

CrossTalk opposing view: Forward and backward pressure waves in the arterial system do not represent reality

John V Tyberg  1 , J Christopher Bouwmeester, Nigel G Shrive, Jiun-Jr Wang
Affiliations

CrossTalk opposing view: Forward and backward pressure waves in the arterial system do not represent reality

John V Tyberg et al. J Physiol. .
No abstract available

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Figures

Figure 1
Figure 1. Separated pressure waveforms, Pforward (thin lines) and Pbackward (thick lines), calculated from pressure and flow measured at four aortic sites (root, black; arch, red; diaphragm, green; and bifurcation, purple) in an anaesthetized dog
Waveforms are plotted relative to the diastolic minimal pressure to emphasize differences. Straight lines were positioned visually on the P = 0 mmHg plane corresponding to the feet (filled circles) of successive forward and backward waves. Note that Pbackward follows Pforward by approximately 70 ms at each site. Both Pforward and Pbackward travel forward down the aorta, arriving respectively later at more distal measurement sites. (From Wang et al. 2011 with permission from Elsevier.)
See this image and copyright information in PMC

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