Figure 2From: Electrocardiogram frequency change by extracorporeal blood perfusion in a swine ventricular fibrillation modelRepresentative 5-sec electrocardiogram (ECG) waveforms during ventricular fibrillation (VF). (a) 1 min, (b) 4 min, (c) 6 min, (d) 8 min, (e) 10 min (immediately after the blood pump start), and (f) 12 min after VF induction.Back to article page