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Wolff-Parkinson-White (WPW) syndrome is a well known pre-excitation syndrome and associated with supraventricular tachycardia (SVT). Dilated cardiomyopathy (DCM) is the most common type of cardiomyopathy and it may arise in patients with symptomatic WPW. However, WPW with accessory pathway and without incessant tachyarrhythmia, may cause left ventricle septal dyskinesia and left ventricle dysfunction. Recovery of the left ventricle function after the ablation or medical treatment shows the association between DCM and ventricular pre-excitation. In this case report, we present an asymptomatic WPW patient who developedDCMand was successfully treated with ablation therapy. [ABSTRACT FROM AUTHOR]