Presyncope or syncope were reported by 20 (14%) patients, of whom 80% had episodes of nonsustained ventricular tachycardia and 30% had bradyarrhythmias ... Signal-averaged electrocardiography allows ...

Such techniques can be automatically applied using implantable cardioverter defibrillators (ICDs) and offer the potential for painless termination of ventricular tachycardia (VT). Reduction in ...