Fig. 7From: Autonomic boundary conditions for ventricular fibrillation and their implications for a novel defibrillation techniqueVentricular tachyarrhythmia during VNS. EKG and BP tracings for a rat that experienced ventricular tachycardia during a 50-Hz vagal train. The rat had been administered isoproterenol 29 mg/kg and underwent vagotomy while its airway was clear. The period of VT is underlined. Note the change in BP during the arrhythmiaBack to article page