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. 2017 Sep 19;6(9):e006510. doi: 10.1161/JAHA.117.006510

Figure 2.

Figure 2

A, Three typical examples of sustained ventricular arrhythmias induced by PES. S1=8 paced beats at a basic cycle length of 100 ms, and S2, S3, and S4 represent extra stimuli. B, Inducibility quotient of ventricular arrhythmias obtained from 6 groups. The scoring system was listed in methods section. (Control group, n=8; Vag group, n=8; ICM group, n=8; ICM+Vag group, n=8; ICM+Nic group, n=8; ICM+N+V group, n=8; S1, basic cycle stimuli; S2, S3, S4, extra stimuli.) Data are expressed as means±SD. ICM indicates ischemic cardiomyopathy; Nic, nicotine; PES, programmed electric stimulation; Vag, vagotomy. *P<0.05 vs Control group. # P<0.05 vs ICM group. † P<0.05 vs ICM group. ‡ P<0.05 vs ICM+Nic group.