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. 2019 Apr 30;20(9):2140. doi: 10.3390/ijms20092140

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Representative NOGA endocardial surface mapping of unipolar electrical potential (mV) at the end of the AMI procedures. Representative image of an animal in group IPC-AMI (A), group AMI, (B) and group AMI-PostC (C). Left: 2D polar maps derived from the 3D maps (Right panel). Voltage values are color-coded, and represent myocardial viability: According to color scale, red: non-viable myocardium, pink and blue viable areas, green and yellow: reduced viability demonstrated. Voltages shown at the marginal edge of the polar map (= close to valvular plane) reflect the naturally low conductivity of the tissue separating atrium and ventricle and are not indicative of ischemic damage. Right: 3D representation of the mapped endocardium, with the apex of the ventricle pointing towards the viewer. There is a visual difference in the size of the apical damaged zone in the three groups, with largest viable zone in the IPC-AMI group.