Table 1. Arrhythmias responsible for tachycardia-mediated cardiomyopathy.

Supraventricular  Atrial fibrillation  Atrial flutter  Atrial tachycardia  AV nodal reentrant tachycardia  AV reentrant tachycardia  Permanent junctional reciprocating tachycardia (PJRT) Ventricular  Idiopathic ventricular tachycardia  Fascicular tachycardia (left septal ventricular tachycardia) Ectopy  Frequent premature ventricular contractions  Frequent premature atrial contractions Pacing  High-rate atrial pacing  Persistent rapid ventricular pacing