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Tachycardia of right ventricular outflow tract (RVOT) is the most common cause of nonischemic ventricular tachycardia (VT). It is commonly due to idiopathic RVOT tachycardia. Idiopathic RVOT tachycardia is a nonfamilial and benign condition that occurs in young individuals without structural heart disease. Radiofrequency ablation has a high successful rate to eliminate this arrhythmia. Non contact mapping can be very helpful in patient with nonsustained tachycardias. We report the case of a 55-year-old man who presented with non sustained ventricular tachycardia and was successfully underwent radiofrequency ablation using non contact mapping.