Figure 1From: Electrocardiogram frequency change by extracorporeal blood perfusion in a swine ventricular fibrillation modelSchematic diagram of (a) extracorporeal blood circulation and electrocardiogram (ECG) signal acquisition and (b) experimental timeline. Blood pump was started at 10 min after ventricular fibrillation (VF) induction and defibrillation (DEFIB) was applied at 3 min after blood pump started. ECG waveforms were recorded for 13 min.Back to article page