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. 2009 Aug 30;30(24):3027–3036. doi: 10.1093/eurheartj/ehp341

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Published on behalf of the European Society of Cardiology. All rights reserved. © The Author 2009. For permissions please email: journals.permissions@oxfordjournals.org

The online version of this article has been published under an open access model. Users are entitled to use, reproduce, disseminate, or display the open access version of this article for non-commercial purposes provided that the original authorship is properly and fully attributed; the Journal, Learned Society and Oxford University Press are attributed as the original place of publication with correct citation details given; if an article is subsequently reproduced or disseminated not in its entirety but only in part or as a derivative work this must be clearly indicated. For commercial re-use, please contact journals.permissions@oxfordjournals.org.

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Parameters of contractility (dP/dt_max, end-systolic elastance and end-systolic volume at 100 mmHg) at baseline and with pacing at 100 and 120 b.p.m. (mean, SEM). Data are shown in red for the HFNEF and in blue for the control patients. Results of the multiple measurements ANOVA are shown above the horizontal arrow (for the effects of beats per minute and interaction) and on the right side of the figure (for comparison between HFNEF and controls).