Figure 4. Sudden death of HFpEF rats associated with VA.
A. Survival analysis of control and HFpEF rats until 26 weeks of age. VA: ventricular arrhythmias, IB: ischemia followed by bradycardia B. Sudden death occurred in 4 of 13 HFpEF rats. C. Representative tracing of sudden death in a HFpEF rat showed VA as a cause of death. D. One sudden death case showed prolonged ischemia followed by bradycardic death.