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. 2020 Nov;157:84–93. doi: 10.1016/j.pbiomolbio.2019.12.004

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© 2019 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig. 5 — Single beat optical wave similarity mapping. A) Single beat OWS as a guinea pig heart transitions from 5 Hz to 8 Hz pacing. B) OWS maps immediately before (Beat 46) and after (Beat 47–49) pacing frequency change. C) Single beat OWS as the heart transitions from 8 Hz to 5 Hz pacing. D) OWS maps immediately before (Beat 299) and after (Beat 300–302) pacing frequency change. E) Example trace of a premature atrial activity (PAA, red) and example OWS maps. F) Mean data of OWS for all beats in the experiment classified as control (black), pre-PAA (green), PAA (red) and post-PAA (blue).