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. 2019 Aug 23;10:1095. doi: 10.3389/fphys.2019.01095

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Copyright © 2019 Sprenkeler, Beekman, Bossu, Dunnink and Vos.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Respiratory frequency oscillations in time and frequency domain. Representative examples of oscillations in monophasic action potential duration (MAPD) in the time domain (top) and frequency domain (bottom) during (A) sinus rhythm (SR), (B) acutely after creation of AV block (AAVB), and (C) after remodeling at chronic AV block (CAVB). A clear increase in a 0.2 Hz oscillation is seen at CAVB.