Fig. 1From: Combination of electrophysiological mapping, radiofrequency catheter ablation, and atrial appendectomy in a 5-year-old girl with tachycardia-induced cardiomyopathy: a case reportThe change of ECG before treatment (A), after radiofrequency catheter ablation (RFCA) (B), after combined RFCA with atrial appendectomy (C), and after 1-month follow-up (D). (The paper speed of all electrocardiograms is 25 mm/s and the basic calibration voltage is 10 mm/mV)Back to article page