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. 2019 Jun 21;19:151. doi: 10.1186/s12872-019-1132-1

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Hemodynamic study with catheterization of the right heart during different rhythms, including sinus rhythm (sinus), sinus rhythm and ventricular fibrillation (sinus + VF), and atrial and ventricular fibrillation (AF + VF). Pressure waves of the right atrium (RA) were presented as “a wave / v wave / mean pressure”. Pressure waves of right ventricle (RV) were presented as “systolic / end-diastolic pressure”. Pressure waves of pulmonary artery (PA) were presented as “systolic / diastolic / mean pressure”. Pressure waves of pulmonary artery wedge pressure (PAW) were presented as “a wave / v wave / mean pressure”. The timing of systole or diastole in VF could not be determined, so that highest and lowest pressures were presented in PA and RV during VF