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. 2018 Oct 10;12:3407–3418. doi: 10.2147/DDDT.S182834

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© 2018 Ma et al. This work is published and licensed by Dove Medical Press Limited

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SSYX inhibited AF inducibility and duration after MI.

Notes: (A) ECG recorded after 4 weeks. (a) An example of an induced AF episode. Before the burst, the rat was in SR. After termination of the burst (b), the rat displayed an irregular atrial rhythm with an irregular ventricular response. After a few seconds (c), the AF episode terminated spontaneously and SR resumed. (d) An example of a noninduced AF episode. After termination of the burst, the rat also displayed SR. (e) Esophageal ECG which recorded clear, high, and bidirectional atrial wave that was used to help to determine the position of the electrode and distinguish SR or AF. (f) A pause representing the termination and cardioversion of AF recorded by esophageal ECG. (B) Bar graphs indicate AF inducibility. SSYX inhibited AF inducibility in rats compared to MI. (C) Bar graphs indicate AF duration. SSYX decreased AF episode duration. ^*P<0.05 vs sham rats; ^#P<0.05 vs sham rats.

Abbreviations: A, atrial depolarization; V, ventricular depolarization; f, f-wave; AF, atrial fibrillation; ECG, electrocardiogram; ESO, esophageal electrocardiogram; MI, myocardial infarction; SR, sinus rhythm; SSYX, Shensong Yangxin.