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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Circ Arrhythm Electrophysiol. 2014 Aug 20;7(5):929–937. doi: 10.1161/CIRCEP.114.001750

Figure 4.

Figure 4

Development of the lesion on the fNADH channel: cryoablation vs. RFA lesions. An illustrative experiment in which both types of lesions were placed on the epicardial surface of an excised rat heart perfused with 37°C Tyrode's solution. The snapshots show the epicardial surface at three time points (3 sec, 20 sec and 5 min) after detachment of the cryoprobe. Scale bar 2 mm. On either side of the cryolesion are RFA lesions that were placed on the surface of the rat heart shortly before cryoablation. See also Supplemental Movie 1. Normalized loss of fNADH was calculated as [f(x) – f(0min)]/[f(plateau) – f(0min)], where x stands for time and f is pixel intensity value.