Table 1: Causes of Tachycardia-induced Cardiomyopathy.

Supraventricular

Atrial fibrillation

Atrial flutter

Incessant atrial tachycardia

Permanent junctional reciprocating tachycardia

AV nodal reentrant tachycardia (rare)

AV reentrant tachycardia (rare)

1:2 Non-reentrant dual AV nodal tachycardia

Persistent rapid atrial pacing

Ventricular

Ventricular tachycardia

Premature ventricular contractions

Other Abnormal Activation

Persistent right ventricular pacing

Left bundle branch block

Ventricular pre-excitation

AV = Atrioventricular.