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. 2012 Nov 5;7(11):e46856. doi: 10.1371/journal.pone.0046856

Figure 4. Atrial tachyarrhythmia (ATA) inducibility in Rgs5−/− and WT hearts.

Figure 4

PES (A) and Burst stimuli (50 Hz, 2 s) (B) were applied to induce atrial tachyarrhythmia (ATA). The sustained rapid atrial activities (duration>30 s) were elicited in Rgs5−/− hearts, but Wild-type hearts showed non-sustained rapid atrial activities during both procedures. Overall incidence of ATA induced by PES and burst pacing in WT and Rgs5−/− hearts (C), and the incidence was sorted by the ATA duration (<10 s, 10–30 s and >30 s) during PES (D) and burst pacing (E).