Ventricular scars are a major source of substrate for ventricular arrhythmias. Scars causing VT contain myocyte bundles separated by fibrosis, resulting in slow conduction and heterogeneous ...

The sine-qua non of a reentrant arrhythmia is the ability to reproducibly initiate and terminate the tachycardia by critically timed extrastimuli. [2] Therefore, the possibility of successful ...