A<unk>  is a rapid heart rate. In approximately 80% of cases,<unk>  is due to ventricular<unk>  (VT), a rapid heartbeat that starts in the ventricles.  This page focuses on ventricular<unk>  as a cause of<unk> .
Wide complex tachycardia
Narrow complex tachycardia
Fascicular VT
Supraventricular arrhythmias
Junctional tachycardia
Ventricular escape beat
Second degree AV block
Sinus arrhythmia