Figure 2.
Data for spontaneous arrhythmias obtained from 24-h continuous telemetry ECG recording in conscious sham and CHF rats. (A) Representative ECG images showing ventricular arrhythmias including spontaneous premature ventricular contractions (PVCs) and ventricular tachycardia (VT) occurred in the late stage of CHF rat (14-week CHF). (B,C) Incidence and the number of PVCs in 3, 8, and 14-week sham and CHF rats. (D,E) Incidence and cumulative duration of VT/VF in 3, 8, and 14-week sham and CHF rats. Data are mean ± SEM; n = 5 rats in each group. *P < 0.05 vs. age-matched sham rats; †p < 0.05 vs. 8-week CHF rats.