Early diagnosis of tachycardiomyopathy with improved ejection fraction: A case report

Abstract

Tachycardiomyopathy is characterized by systolic ventricular dysfunction and heart failure caused by persistent ventricular or supraventricular tachyarrhythmias with high heart rate, and may evolve to ventricular tachycardia and fibrillation according to the severity of the arrhythmia.