Tachycardia-induced Cardiomyopathy

Tachycardia-induced cardiomyopathy is left-ventricular systolic dysfunction caused by chronic tachyarrhythmia (AF, atrial flutter, incessant SVT/VT), which is reversible after rate/rhythm control. Treatment: control ventricular rate (AVN blockers) or restore sinus rhythm (cardioversion/ablation); treat the arrhythmia; guideline-directed medical therapy for HFrEF; EF often recovers after sustained rate control.

Common Symptoms

Heart failure; reduced EF; chronic tachyarrhythmia (AF/SVT/VT); reversible after rate control

Causes and Pathogenesis

Prolonged tachyarrhythmia causes myocardial dysfunction and dilated cardiomyopathy.

Treatment

Rate/rhythm control; ablation/cardioversion; GDMT for HFrEF; EF recovers after control

Preventive Measures

Early rate control; screen for tachycardia in new-onset HF.

Department to Visit

It is recommended to visit the Cardiology/EP department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.